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Slow Cooker Butterfinger Cake Recipe for Gooey Chocolate-Peanut Butter Delight

Slow Cooker Butterfinger Cake — a box of yellow cake mix and a few pantry staples make an easy, delicious crockpot dessert. Topped with a peanut butter glaze and extra chopped Butterfinger candies, this cake is bursting with peanut butter flavor and crunchy candy pieces.

Square of Slow Cooker Butterfinger Cake on a plate.

Butterfinger Desserts

Butterfinger treats are a favorite of mine. This slow cooker version folds chopped Butterfinger candies into the batter and finishes with more chopped pieces on top for extra texture and flavor. It’s an effortless way to enjoy a candy-forward cake without turning on your oven.

Unfrosted cake in slow cooker.

Ingredients Needed

  • 1 box yellow cake mix (regular-size, about 15.25 oz)
  • 1 cup water
  • 3 large eggs
  • ½ cup creamy peanut butter (or crunchy if you prefer)
  • ⅓ cup butter, softened (salted or unsalted)
  • ⅔ cup coarsely chopped Butterfinger candies for the batter, plus extra for topping
  • Peanut Butter Glaze: ¼ cup creamy peanut butter, ¼ cup milk (or half-and-half), 1 cup powdered sugar
  • Toppings: additional chopped Butterfinger candies and optional fudge sauce
Frosted cake in slow cooker.

Equipment Needed

  • Hand-held electric mixer (or a whisk if you prefer)
  • 6-quart slow cooker (well sprayed with cooking spray)

Cooking Time

Cooking times vary by slow cooker model. Expect about 1 hour 45 minutes on LOW, but check for doneness since some units run hotter or cooler.

Square of Slow Cooker Butterfinger Cake on plate.

More Slow Cooker Desserts

  • Slow Cooker Peach Cobbler
  • Slow Cooker Pumpkin Cake
  • Slow Cooker Chocolate Peanut Butter Cake
  • Slow Cooker Triple Chocolate Brownies
  • Slow Cooker Pineapple Upside Down Cake
  • Crock Pot Peaches and Cream Cake

Slow Cooker Butterfinger Cake

Prep: 15 mins
Cook: 1 hr 45 mins
Total: 2 hrs
Servings: 10
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Slow Cooker Butterfinger Cake — a simple yellow cake mix transforms into a peanut-buttery, candy-studded slow cooker treat. The peanut butter glaze and chopped Butterfingers on top make it irresistible.

Equipment

  • Hand-held electric mixer
  • 6-quart slow cooker

Ingredients

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

Peanut Butter Glaze

  • ¼ cup creamy peanut butter
  • ¼ cup milk (or half-and-half)
  • 1 cup powdered sugar

Toppings

  • Chopped Butterfinger candies
  • Fudge sauce (optional)

Instructions

  • In a large mixing bowl, beat the cake mix, water, eggs, ½ cup peanut butter, and softened butter on LOW for 30 seconds, then on MEDIUM for 2 minutes. Stir in the ⅔ cup chopped Butterfingers.
  • Spray a 6-quart slow cooker well with cooking spray. Pour the batter into the prepared slow cooker and spread evenly.
  • Cover and cook on LOW for about 1 hour 45 minutes, or until a toothpick inserted near the center comes out clean or with a few moist crumbs. Slow cooker times vary, so check earlier if your unit runs hot.
  • Whisk together the glaze ingredients — ¼ cup peanut butter, ¼ cup milk, and 1 cup powdered sugar — until smooth. If needed, add a little more milk to reach a drizzling consistency.
  • When the cake is done, drizzle the peanut butter glaze over the top. Sprinkle with additional chopped Butterfinger candies and, if desired, a drizzle of fudge sauce. Slice and serve warm or at room temperature.

Notes

I use a 15.25-ounce box of yellow cake mix for this recipe. Cooking times can differ by slow cooker model, so adjust as needed.

Nutritional info is an estimate only and will vary based on brands and toppings used.

Nutrition

Calories: 454 kcal | Carbohydrates: 61 g | Protein: 9 g | Fat: 21 g

Nutrition information is automatically calculated and should be used only as an approximation.


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