Crock Pot Butterfinger Cake

Indulge in the ultimate blend of chocolate and peanut butter with this incredibly easy Slow Cooker Butterfinger Cake. This delightful crockpot dessert, made with a simple box of yellow cake mix and a handful of pantry staples, is guaranteed to satisfy your sweet tooth with its rich flavors and irresistible crunch. Perfect for effortless entertaining or a cozy family treat, this cake features generous chunks of Butterfinger candies baked into a moist, tender cake, then topped with a luscious peanut butter glaze and more crunchy Butterfinger bits. Get ready for a dessert that delivers maximum flavor with minimal effort!

Square of Slow Cooker Butterfinger Cake on a plate, garnished with more Butterfinger pieces and chocolate drizzle.

Why You’ll Adore This Slow Cooker Butterfinger Cake

There’s something uniquely satisfying about a dessert that practically makes itself, and this Slow Cooker Butterfinger Cake is no exception. If you’re a fan of the iconic candy bar’s crunchy, peanut-buttery goodness, prepare to fall in love with this cake. It’s an ideal choice for busy individuals who crave homemade taste without the fuss of traditional baking. Imagine a moist, golden cake infused with the distinct flavor and texture of Butterfinger, all cooked to perfection in your slow cooker. The convenience alone is a game-changer, freeing up your oven and kitchen space, especially during holidays or when you’re hosting a gathering. The added peanut butter glaze amplifies the nutty notes, creating a symphony of flavors that will have everyone asking for seconds. Plus, it’s a fantastic way to use up those extra Butterfinger candies!

This recipe offers an unbeatable combination of simplicity and indulgence. Using a yellow cake mix as its base ensures a consistently tender and fluffy texture, while the addition of creamy peanut butter and chopped Butterfinger candies transforms it into a truly extraordinary treat. The slow cooker method means less mess, less active cooking time, and a perfectly moist cake every time, making it a go-to for potlucks, family dinners, or simply a sweet escape after a long day.

The Irresistible Allure of Butterfinger Desserts

For many, Butterfinger isn’t just a candy bar; it’s a nostalgic treat that brings back fond memories of childhood. Its crispy, flaky peanut butter core enrobed in chocolate is a flavor and texture combination that’s hard to beat, making it an exceptional ingredient for creative desserts. I’ve always been drawn to the unique qualities Butterfinger brings to baking, transforming classic recipes into something extraordinary. Over the years, I’ve explored various Butterfinger-inspired creations, each offering a distinct way to enjoy this beloved candy. From no-bake wonders to rich baked goods, the possibilities are endless when Butterfinger is involved. The candy’s characteristic crispiness holds up remarkably well in baked goods, providing a delightful textural contrast that elevates any dessert.

  • Our Butterfinger Chocolate and Peanut Butter Lush layers creamy textures with crunchy candy, a true indulgence for those who love a no-bake option with a complex flavor profile.
  • For cheesecake lovers, the Butterfinger Cheesecake offers a rich, decadent experience with a delightful Butterfinger crust and a generous topping of crushed candy, making it a show-stopping dessert.
  • If you prefer quick and easy treats, these No-Bake Butterfinger Oatmeal Cookies deliver all the flavor without turning on the oven, perfect for a last-minute craving.
  • The Butterfinger Poke Cake is a moist cake infused with sweetened condensed milk, creating an incredibly tender texture, and then topped with a creamy frosting and plenty of crushed Butterfingers.

This Slow Cooker Butterfinger Cake joins these ranks as another incredible way to enjoy the distinctive taste and texture of Butterfinger. It features a generous amount of chopped Butterfinger candies both mixed into the cake batter for flavor and texture, and sprinkled on top for an extra layer of crunch and visual appeal. The slow cooking process ensures these delightful pieces remain slightly intact, offering that satisfying crispiness in every bite.

Unfrosted yellow cake baking in a slow cooker.

Essential Ingredients for Your Crockpot Masterpiece

One of the beauties of this slow cooker cake recipe is its reliance on readily available ingredients, many of which you likely already have in your pantry. We’re leveraging the convenience of a cake mix to significantly cut down on prep time, making this dessert incredibly accessible for even beginner bakers. Each ingredient plays a vital role in creating the perfect balance of flavor and texture:

  • 1 Box Yellow Cake Mix (15.25 oz): This is your shortcut to a perfectly tender and flavorful cake base. Brands like Duncan Hines or Betty Crocker consistently deliver excellent results. Opt for a classic yellow cake mix to provide a complementary backdrop for the peanut butter and Butterfinger flavors without overpowering them. It’s the ideal starting point for a moist, fluffy cake.
  • 3 Large Eggs: Eggs are essential for binding the ingredients, providing structure to the cake, and contributing to its rich, moist texture. They help the cake rise beautifully in the slow cooker.
  • 1 Cup Water: The liquid component that brings the dry cake mix to life, ensuring a moist crumb. While some cake mixes call for milk, water works perfectly here and doesn’t thin the batter too much for the slow cooker environment.
  • ½ Cup Creamy Peanut Butter (for the cake): This is a crucial ingredient for the cake batter, infusing it with that signature nutty flavor that pairs so well with Butterfinger. While creamy peanut butter (like Jif or Skippy) is recommended for its smooth consistency and even distribution, you can certainly use crunchy peanut butter if you prefer an even more pronounced texture and nuttiness throughout the cake. Just ensure it’s a standard, shelf-stable peanut butter, not a natural oil-separated variety, as its texture can affect the cake’s consistency.
  • ⅓ Cup Butter, Softened: Butter adds richness, moisture, and contributes significantly to the cake’s tender crumb and golden hue. I typically use salted butter for an enhanced flavor profile that complements the sweetness of the cake and candy, but unsalted butter works just as well. Just make sure it’s softened to room temperature for easier and more uniform mixing with the other ingredients.
  • ⅔ Cup Coarsely Chopped Butterfinger Candies (for the cake batter): These are the stars of the show! You’ll want to roughly chop your favorite size Butterfinger bars. Don’t pulverize them; aim for pieces large enough to provide a delightful crunch and burst of flavor throughout the cake. These bits will soften slightly during cooking but will still retain their characteristic crispiness.
  • ¼ Cup Creamy Peanut Butter (for the glaze): Again, creamy works best here for a smooth, pourable glaze that will cascade beautifully over the warm cake. Its rich flavor ties the entire dessert together.
  • ¼ Cup Milk (for the glaze): Milk thins the glaze to the perfect consistency, allowing it to drizzle effortlessly over the cake. Whole milk or even half-and-half will give you a richer, creamier glaze, but any milk you have on hand will work.
  • 1 Cup Powdered Sugar (for the glaze): Also known as confectioners’ sugar or icing sugar, this provides the necessary sweetness and a smooth, lump-free texture for our decadent peanut butter glaze. It dissolves easily, creating a silky finish.
  • Optional Toppings:
    • Additional Chopped Butterfinger Candies: For an extra layer of visual appeal, texture, and intense Butterfinger flavor, sprinkle more chopped candies on top of the glazed cake just before serving.
    • Fudge Sauce: A drizzle of warm fudge sauce adds an extra layer of chocolatey goodness, creating a stunning visual and flavor contrast that elevates the dessert. This is entirely optional but highly recommended for ultimate chocolate and peanut butter lovers.
Frosted Slow Cooker Butterfinger Cake in the crockpot, ready to serve.

Essential Equipment for Baking in Your Slow Cooker

One of the many advantages of slow cooker baking is the minimal specialized equipment required. You likely already own most of what you need to create this fantastic Butterfinger cake. Here’s a quick rundown of the essential tools:

  • Hand-Held Electric Mixer: This makes the batter preparation quick and effortless, ensuring a smooth and lump-free mixture. While a sturdy whisk can be used, prepare for a good arm workout to achieve the desired consistency. An electric mixer truly simplifies the process, especially when incorporating softened butter and peanut butter evenly. If you’re in the market for one, consider a reliable hand-held electric mixer that can handle various baking tasks with ease.
  • 6-Quart Slow Cooker: The star appliance of this recipe! An oval 6-quart slow cooker is ideal for this cake, providing enough surface area for even cooking and easy removal of slices. Ensure your slow cooker insert is clean and ready for use. Proper sizing is important – a slow cooker that’s too small might overflow, while one that’s too large could lead to an overly thin cake that cooks too quickly. If you’re considering an upgrade or a new addition to your kitchen, a versatile 6-quart slow cooker is a fantastic investment for both savory meals and sweet treats like this cake.
  • Large Mixing Bowl: Essential for combining all your cake batter ingredients. Choose one large enough to prevent spills while mixing.
  • Whisk: Handy for quickly blending the glaze ingredients until smooth.
  • Measuring Cups and Spoons: Accurate measurements are key for successful baking, so make sure you have both dry and liquid measuring cups, along with a set of measuring spoons.
  • Cooking Spray: Absolutely vital for preventing the cake from sticking to the slow cooker insert. Don’t skip this step! A generous coating ensures easy removal and a perfectly intact cake, which is crucial for presentation.
  • Spatula or Rubber Scraper: Useful for scraping down the sides of the mixing bowl and transferring the batter to the slow cooker.

Mastering the Slow Cooker Baking Time

Baking in a slow cooker is a bit different from a traditional oven, and timing can vary significantly. The cooking time provided in this recipe—approximately 1 hour and 45 minutes on LOW—is a carefully estimated guide. However, it’s crucial to understand that slow cookers can perform very differently from one another. Factors like the specific model, age of the appliance, and even ambient kitchen temperature can influence cooking duration. Newer models often run hotter and more efficiently than older units, meaning your cake might cook faster or slower than the suggested time. It’s a journey of getting to know your particular appliance!

Tips for Accurate Doneness and Preventing Pitfalls:

  • Know Your Appliance: If you’re familiar with how your specific slow cooker handles other recipes, use that knowledge. If it tends to run hot, start checking for doneness a bit earlier, perhaps around 1 hour 30 minutes. If it’s a slower cooker, be patient and allow it the full suggested time, or even a little longer.
  • The Toothpick Test: The most reliable method for checking cake doneness. Gently insert a wooden skewer or toothpick into the center of the cake. If it comes out clean or with only a few moist crumbs attached, your cake is ready. If it comes out wet with raw batter, cover and continue cooking for another 15-20 minutes before retesting.
  • Avoid Frequent Lid Lifting: Resist the urge to peek too often! Each time you lift the lid, a significant amount of heat escapes, drastically extending the cooking time by as much as 15-20 minutes. The slow cooker needs to rebuild that heat, impacting the cake’s texture and overall cooking consistency. Try to only lift the lid when you’re ready to test for doneness.
  • Cake Appearance: As the cake cooks, the edges should appear set and slightly pulled away from the sides of the slow cooker insert. The center should also look set and firm, not jiggly or liquid. The top might not brown as much as in an oven, which is perfectly normal for slow cooker cakes.
  • Consider a Paper Towel Trick: To prevent condensation from dripping onto your cake and making it soggy, you can place a layer of paper towels under the slow cooker lid before covering. This absorbs excess moisture during cooking.

Always err on the side of caution and check early rather than late. An overcooked slow cooker cake can become dry or even burnt on the bottom, while an undercooked one will be gooey and fall apart. With a little practice and attention, you’ll master the timing for your slow cooker and consistently produce wonderfully moist and delicious cakes!

A slice of Slow Cooker Butterfinger Cake on a white plate, showcasing its moist texture and crunchy candy pieces.

Explore More Effortless Slow Cooker Desserts

The slow cooker isn’t just for savory stews and roasts; it’s a hidden gem for creating incredibly moist and flavorful desserts with minimal hands-on time. Once you discover the magic of slow cooker baking, you’ll want to try all sorts of delightful treats. The consistent, gentle heat of the crockpot is perfect for achieving cakes, cobblers, and puddings that are wonderfully tender and moist, often more so than their oven-baked counterparts. It’s also an excellent solution when your oven is occupied with other dishes, or when you want to avoid heating up your kitchen during warmer months. Here are some of our other favorite crockpot desserts that are just as easy and satisfying as this Butterfinger Cake:

  • Slow Cooker Peach Cobbler: A classic comfort dessert, bubbling with juicy, sweet peaches and a tender, golden biscuit topping. It’s especially perfect for summer gatherings, serving warm with a scoop of vanilla ice cream.
  • Slow Cooker Pumpkin Cake: A warm, spiced pumpkin cake that’s incredibly moist and infused with all the cozy flavors of autumn. A perfect treat for fall holidays or a cool evening.
  • Slow Cooker Chocolate Peanut Butter Cake: For those who can’t get enough of the classic chocolate-peanut butter combination, this rich and decadent cake is pure bliss, offering deep flavors with minimal effort.
  • Slow Cooker Triple Chocolate Brownies: Fudgy, intensely chocolatey brownies loaded with three kinds of chocolate, cooked to perfection in your crockpot, resulting in a delightfully chewy texture.
  • Slow Cooker Pineapple Upside Down Cake: A vibrant, tropical delight with perfectly caramelized pineapple rings and cherries, made surprisingly simple and incredibly moist in the slow cooker.
  • Crock Pot Peaches and Cream Cake: A light and fluffy cake featuring sweet peaches and a creamy, dreamy texture that’s reminiscent of a warm, comforting hug.

Slow Cooker Butterfinger Cake Recipe

This recipe brings together the ease of a cake mix with the irresistible crunch and flavor of Butterfinger candies, all cooked conveniently in your slow cooker. The rich peanut butter glaze is the perfect finishing touch, making this dessert a guaranteed crowd-pleaser!

Recipe Details at a Glance:

  • Prep Time: 15 mins
  • Cook Time: 1 hr 45 mins
  • Total Time: 2 hrs
  • Servings: 10

Equipment Needed for the Recipe:

  • Hand-held electric mixer
  • 6-quart slow cooker
  • Large mixing bowl
  • Whisk
  • Measuring cups and spoons
  • Cooking spray

Ingredients:

For the Cake:

  • 1 (regular-size, 15.25 oz) box yellow cake mix
  • 1 cup water
  • 3 large eggs
  • ½ cup creamy peanut butter
  • ⅓ cup butter, softened
  • ⅔ cup coarsely chopped Butterfingers

For the Peanut Butter Glaze:

  • ¼ cup creamy peanut butter
  • ¼ cup milk
  • 1 cup powdered sugar

Optional Toppings:

  • Additional chopped Butterfinger candies
  • Fudge sauce, for drizzling

Instructions:

  1. In a large mixing bowl, combine the yellow cake mix, water, large eggs, ½ cup creamy peanut butter, and ⅓ cup softened butter. Beat with an electric mixer on LOW speed for 30 seconds until just combined.
  2. Increase the mixer speed to MEDIUM and beat for 2 minutes, ensuring the batter is smooth and well-aerated. Gently fold in the ⅔ cup coarsely chopped Butterfingers until they are evenly distributed throughout the batter.
  3. Spray the inside of your 6-quart slow cooker generously with cooking spray. This step is crucial for easy removal of the cake. Carefully pour the prepared cake batter into the slow cooker.
  4. Cover the slow cooker with its lid and cook on the LOW setting for approximately 1 hour and 45 minutes. The cake is done when a wooden skewer or toothpick inserted into the center comes out clean or with only a few moist crumbs attached. Avoid lifting the lid too often during cooking, as this extends the cooking time.
  5. While the cake is cooking, or just as it finishes, prepare the peanut butter glaze. In a small bowl, whisk together ¼ cup creamy peanut butter, ¼ cup milk, and 1 cup powdered sugar until the mixture is smooth and has a pourable consistency. If the glaze is too thick, add a tiny bit more milk, a teaspoon at a time.
  6. Once the cake is done and still warm, immediately drizzle the prepared peanut butter glaze evenly over the top of the cake in the slow cooker. The warmth of the cake will help the glaze set slightly.
  7. To serve, slice the cake directly from the slow cooker. Enhance each serving by sprinkling with additional chopped Butterfinger candies and, if desired, a generous drizzle of warm fudge sauce for an extra touch of chocolatey goodness. Enjoy warm!

Chef’s Notes & Pro Tips:

  • Cake Mix Size: This recipe is specifically designed for a standard 15.25-ounce box of yellow cake mix. If your cake mix box is a different size, you may need to adjust the liquid ingredients slightly to maintain the correct batter consistency.
  • Don’t Overmix: Mix the cake batter just until the ingredients are combined and smooth. Overmixing can develop the gluten in the flour, leading to a tougher, less tender cake texture.
  • Perfect Peanut Butter: For the best results in both the cake and the glaze, use a standard creamy peanut butter like Jif or Skippy. Natural peanut butter (the kind where the oil separates) has a different consistency and oil content, which can sometimes alter the cake’s texture and the glaze’s smoothness.
  • Lining the Slow Cooker: To help ensure even cooking and prevent potential sticking or slight burning on the bottom, some people like to line their slow cooker with parchment paper cut to fit the bottom and sides, then spray the parchment with cooking spray. This also aids in easy removal of the entire cake.
  • Cooling & Serving: While this cake is absolutely delicious served warm, allowing it to cool for at least 15-20 minutes before slicing helps the glaze set better and makes for cleaner, more manageable cuts. For an ultimate dessert experience, serve a warm slice with a scoop of premium vanilla bean ice cream or a dollop of fresh whipped cream.
  • Storage: Leftover Slow Cooker Butterfinger Cake can be stored, covered tightly with plastic wrap or in an airtight container, in the refrigerator for up to 3-4 days. For best freshness and flavor, warm individual slices slightly in the microwave before serving.

Nutrition Information (Estimate Only)

Please note: Nutritional information is provided as an estimate only and will vary based on brands of products used, specific ingredient quantities, and optional toppings. This estimate does not include optional toppings like additional Butterfingers or fudge sauce, which would increase the nutritional values.

  • Calories: 454 kcal
  • Carbohydrates: 61g
  • Protein: 9g
  • Fat: 21g
  • Saturated Fat: 8g
  • Polyunsaturated Fat: 3g
  • Monounsaturated Fat: 8g
  • Trans Fat: 0.4g
  • Cholesterol: 73mg
  • Sodium: 498mg
  • Potassium: 187mg
  • Fiber: 2g
  • Sugar: 38g
  • Vitamin A: 280 IU
  • Calcium: 123mg
  • Iron: 2mg




Made this delightful cake?
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