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Peanut Butter Cup Brownies

Published: Jun 3, 2025 by Jamie · This post may contain affiliate links · Leave a Comment

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Imagine a dessert that combines the rich decadence of chocolate brownies with the creamy, nutty goodness of peanut butter cups. These Peanut Butter Cup Brownies are a match made in dessert heaven.

Peanut Butter Cup Brownies

Perfect for chocolate cravings or when you want to impress your friends and family, this recipe is about to become your new go-to treat.

Peanut Butter Cup Brownies: A Decadent Chocolate Peanut Butter Sensation

Prepare to elevate your dessert game with this incredible brownie creation. The combination of fudgy chocolate, swirled peanut butter, and chopped peanut butter cups creates an unforgettable experience.

Get ready to discover how simple ingredients can transform into a dessert that looks as amazing as it tastes.

Serving Suggestions:

Your Peanut Butter Cup Brownies shine when:

  • Served slightly warm
  • Topped with vanilla ice cream
  • Paired with a cold glass of milk
  • Shared at potlucks
  • Enjoyed as an afternoon treat

Pro Tips for Perfect Peanut Butter Cup Brownies:

Chocolate Mastery: Use high-quality cocoa powder for rich flavor.

Peanut Butter Technique: Swirl gently for beautiful marble effect.

Baking Secrets: Don't overbake – gooey center is key.

Cooling Wisdom: Let brownies cool completely for clean cuts.

Chopping Hack: Freeze peanut butter cups before chopping.

Peanut Butter Cup Brownies

Peanut Butter Cup Brownies Recipe Details:

  • Preparation time: 15 minutes
  • Baking time: 25-30 minutes
  • Servings: 9-12 brownies
  • Equipment: 8x8-inch baking pan, mixing bowls

This recipe is more than just a dessert – it's a culinary adventure that celebrates the perfect marriage of chocolate and peanut butter.

Ingredients:

For the Brownie Base:

  • ½ cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ½ cup all-purpose flour
  • ¼ teaspoon salt
  • ¼ teaspoon baking powder

For the Peanut Butter Magic:

  • ½ cup creamy peanut butter
  • 12 mini peanut butter cups, chopped

Directions:

  1. Begin by preheating your oven to 350°F. Prepare an 8x8-inch square baking pan by greasing it thoroughly or lining it with parchment paper. This ensures easy removal and prevents sticking.
  2. In a large mixing bowl, combine the melted butter and sugar. Whisk these ingredients together until they form a smooth, well-integrated mixture. The sugar will start to dissolve, creating a rich, glossy base.
  3. Add the eggs and vanilla extract to the butter-sugar mixture. Whisk vigorously until the ingredients are fully incorporated and the batter becomes smooth and slightly lighter in color.
  4. In a separate bowl, create the dry ingredient blend. Whisk together the cocoa powder, flour, salt, and baking powder. This ensures even distribution of the dry ingredients.
  5. Gradually add the dry ingredients to the wet mixture. Stir gently and carefully, mixing just until the flour disappears. Remember, overmixing can lead to tough brownies – we want them fudgy and tender.
  6. Pour half of the brownie batter into the prepared baking pan. Use a spatula to spread it evenly, creating a smooth base layer that will serve as the foundation of your brownies.
  7. Drop spoonfuls of peanut butter over the first layer of brownie batter. Take a knife and create beautiful swirls, carefully dragging the peanut butter through the chocolate. Less is more – you want distinct marbling.
  8. Sprinkle the chopped peanut butter cups evenly across the surface. These will add delightful pockets of chocolate and peanut butter throughout the brownies.
  9. Pour the remaining brownie batter over the top, carefully covering the peanut butter cups and swirls. Use a spatula to spread it gently and evenly.
  10. Bake for 25 to 30 minutes. The perfect brownie has a slightly crisp top and a gooey center. A toothpick inserted should come out with a few moist crumbs – not completely clean.

Storage Solutions:

  • Store in an airtight container
  • Keep at room temperature for 3-4 days
  • Refrigerate for up to a week
  • Can be frozen for 2-3 weeks
  • Best enjoyed within 2 days of baking

Whether you're a chocolate fanatic, a peanut butter lover, or simply someone who appreciates a truly indulgent treat, these Peanut Butter Cup Brownies are guaranteed to satisfy.

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Peanut Butter Cup Brownies

Peanut Butter Cup Brownies

Print Recipe
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This recipe is more than just a dessert – it's a culinary adventure that celebrates the perfect marriage of chocolate and peanut butter.

  • Total Time: 23 minute
  • Yield: 9-12 brownies 1x

Ingredients

Scale

For the Brownie Base:

  • ½ cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ½ cup all-purpose flour
  • ¼ teaspoon salt
  • ¼ teaspoon baking powder

For the Peanut Butter Magic:

  • ½ cup creamy peanut butter
  • 12 mini peanut butter cups, chopped

Instructions

  1. Begin by preheating your oven to 350°F. Prepare an 8x8-inch square baking pan by greasing it thoroughly or lining it with parchment paper. This ensures easy removal and prevents sticking.
  2. In a large mixing bowl, combine the melted butter and sugar. Whisk these ingredients together until they form a smooth, well-integrated mixture. The sugar will start to dissolve, creating a rich, glossy base.
  3. Add the eggs and vanilla extract to the butter-sugar mixture. Whisk vigorously until the ingredients are fully incorporated and the batter becomes smooth and slightly lighter in color.
  4. In a separate bowl, create the dry ingredient blend. Whisk together the cocoa powder, flour, salt, and baking powder. This ensures even distribution of the dry ingredients.
  5. Gradually add the dry ingredients to the wet mixture. Stir gently and carefully, mixing just until the flour disappears. Remember, overmixing can lead to tough brownies – we want them fudgy and tender.
  6. Pour half of the brownie batter into the prepared baking pan. Use a spatula to spread it evenly, creating a smooth base layer that will serve as the foundation of your brownies.
  7. Drop spoonfuls of peanut butter over the first layer of brownie batter. Take a knife and create beautiful swirls, carefully dragging the peanut butter through the chocolate. Less is more – you want distinct marbling.
  8. Sprinkle the chopped peanut butter cups evenly across the surface. These will add delightful pockets of chocolate and peanut butter throughout the brownies.
  9. Pour the remaining brownie batter over the top, carefully covering the peanut butter cups and swirls. Use a spatula to spread it gently and evenly.
  10. Bake for 25 to 30 minutes. The perfect brownie has a slightly crisp top and a gooey center. A toothpick inserted should come out with a few moist crumbs – not completely clean.
  • Author: Jamie
  • Prep Time: 15 minutes
  • Cook Time: 25-30 minutes

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