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Peanut Butter Cup Casserole Cake

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4 Min Read
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Imagine the irresistible combination of a rich chocolate cake layered with creamy peanut butter, studded with chopped peanut butter cups, and baked into a decadent casserole-style dessert. This isn’t just a cake; it’s a celebration of peanut butter and chocolate, offering a soft, fudgy texture contrasted by the satisfying crunch of the candy. It’s a comforting, shareable dessert that feels both familiar and surprisingly sophisticated.
Prep Time: 20 minutes
Cook Time: 45 minutes
Servings: 12

Ingredients

  • 1 box (15.25 oz) chocolate cake mix (plus ingredients called for on box – usually eggs, oil, water)
  • 1 cup creamy peanut butter
  • 1 cup heavy cream
  • 8 oz cream cheese, softened
  • 1/2 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1 1/2 cups chopped peanut butter cups (about 15-20 cups, depending on size)
  • 1/4 cup chopped peanuts (optional, for garnish)
  • 2 tablespoons melted butter
  • 1/4 cup chocolate chips (optional, for garnish)
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Step-by-Step Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13 inch baking dish.
  2. Prepare the chocolate cake mix according to package directions. Pour batter into the prepared baking dish and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let cool completely.
  3. While the cake cools, prepare the peanut butter filling. In a large bowl, beat the softened cream cheese and sugar together until smooth and creamy.
  4. Gradually add the peanut butter and vanilla extract to the cream cheese mixture, beating until well combined.
  5. In a separate bowl, whip the heavy cream until stiff peaks form. Gently fold the whipped cream into the peanut butter mixture.
  6. Spread the peanut butter filling evenly over the cooled chocolate cake.
  7. Sprinkle the chopped peanut butter cups over the peanut butter layer.
  8. Drizzle the melted butter and chocolate chips (if using) over the peanut butter cups.
  9. Refrigerate for at least 2 hours to allow the filling to set.
  10. Garnish with chopped peanuts (optional) before serving.

Expert Tips for Success

  • Don’t overbake the cake. Slightly underbaked is better than dry.
  • Use a good quality peanut butter for the best flavor.
  • For easier chopping, chill the peanut butter cups in the freezer for 10-15 minutes before chopping.
  • If you don’t have heavy cream, you can substitute with stabilized whipped topping, but the texture will be slightly different.
  • For a richer flavor, use dark chocolate cake mix.
  • A sprinkle of sea salt over the top before refrigerating enhances the sweetness.
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Frequently Asked Questions

Q: Can I use a different type of cake mix?

A: Yes, you can! Vanilla, red velvet, or even spice cake would work well, but chocolate complements the peanut butter best.

Q: Can this be made ahead of time?

A: Absolutely! You can prepare the entire casserole cake up to 24 hours in advance and keep it refrigerated.

Q: Can I freeze this dessert?

A: While you *can* freeze it, the texture of the peanut butter filling might change slightly upon thawing. It’s best enjoyed fresh.

Thank you for trying out this recipe! We hope you and your family enjoy it.

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