I have always loved baking desserts that bring a smile to everyone’s face, and Reese’s Stuffed Brownies are one of those treats that instantly light up the room. The moment I took the first bite of these rich, fudgy brownies filled with creamy peanut butter cups, I knew I had discovered a dessert worth sharing. Every layer combines the perfect balance of chocolate and peanut butter, creating a decadent experience that is both indulgent and comforting.

You will love this recipe because it satisfies every chocolate craving while adding a delightful surprise in the middle. The gooey, fudgy texture of the brownies perfectly complements the creamy peanut butter center, making each bite irresistible. These brownies are also incredibly versatile: you can serve them as a special treat for a party, slice them into smaller portions for a lunchbox snack, or even give them as a homemade gift to friends and family.

Another reason this recipe is so appealing is that it is affordable. You don’t need expensive or hard-to-find ingredients to create a dessert that tastes like it came from a bakery. With just a few pantry staples, you can make a batch of brownies that feel luxurious but are light on the budget.

Ingredients for Reese’s Stuffed Brownies:

1 cup unsalted butter
2 cups granulated sugar
4 large eggs
1 teaspoon pure vanilla extract
1 cup all-purpose flour
¾ cup unsweetened cocoa powder
½ teaspoon baking powder
½ teaspoon salt
1 cup semi-sweet chocolate chips
20 mini Reese’s peanut butter cups (or chopped full-size cups)

These ingredients are simple yet create a dessert that feels special. The combination of rich chocolate and sweet peanut butter makes every bite memorable. By following this recipe, you will discover how easy it is to transform a few basic ingredients into a decadent treat that everyone will love.

Reese’s Stuffed Brownies are perfect for any occasion, whether it’s a cozy night at home, a celebration with friends, or a weekend baking project. They are quick to prepare, customizable in size and shape, and guaranteed to become a favorite in your dessert rotation.

How to Prepare Reese’s Stuffed Brownies

Making Reese’s Stuffed Brownies is a fun and rewarding process that combines simple steps with delicious results. With a few careful techniques, you can achieve a perfect balance of fudgy brownies and creamy peanut butter centers. The recipe is quick, easy, and highly customizable, so you can adjust it according to your taste or occasion.

Step-by-Step Instructions

Preheat your oven and prepare the pan
Start by preheating your oven to 350°F (175°C). While the oven warms, line a 9×13-inch baking pan with parchment paper. Make sure the parchment hangs over the edges so you can lift the brownies out easily after baking. Lightly grease the parchment with butter or non-stick spray to prevent sticking.
Melt the butter
Place 1 cup of unsalted butter in a microwave-safe bowl. Heat it in 30-second intervals, stirring between each interval, until fully melted. Alternatively, melt the butter in a small saucepan over low heat on the stove. Make sure it does not boil; you only want it melted and smooth.
Mix sugar and eggs
In a large mixing bowl, combine 2 cups of granulated sugar and the 4 large eggs. Beat them together using a whisk or electric mixer for about 2–3 minutes until the mixture is pale and slightly fluffy. This step helps create a light texture in the brownies.
Add vanilla and butter
Slowly pour the melted butter into the egg and sugar mixture while continuously stirring. Then add 1 teaspoon of pure vanilla extract. Mix until fully incorporated. The mixture should look glossy and smooth.
Combine dry ingredients
In a separate bowl, sift together 1 cup of all-purpose flour, ¾ cup unsweetened cocoa powder, ½ teaspoon baking powder, and ½ teaspoon salt. Sifting ensures no lumps and helps the dry ingredients mix evenly into the batter.
Fold dry ingredients into wet ingredients
Gradually fold the dry ingredients into the wet mixture using a spatula. Stir gently until just combined. Avoid overmixing, as this can make the brownies dense rather than fudgy. At this stage, fold in 1 cup of semi-sweet chocolate chips for extra chocolate richness.
Layer the batter
Pour half of the brownie batter into the prepared pan and spread it evenly. Place 20 mini Reese’s peanut butter cups evenly over the batter, leaving a small space between each. Pour the remaining batter on top, covering the peanut butter cups completely. Use a spatula to smooth the top gently.
Bake the brownies
Place the pan in the preheated oven and bake for 30–35 minutes. Check for doneness by inserting a toothpick in the center; it should come out with a few moist crumbs but not wet batter. The brownies will continue to set as they cool.
Cool completely before cutting
Let the brownies cool in the pan for at least 20–25 minutes. Lift them out using the parchment overhang and transfer to a cooling rack. Cooling completely ensures the peanut butter cups do not melt excessively and the brownies hold their shape.
Customize and serve
Once cooled, cut the brownies into squares or rectangles. You can dust the top with powdered sugar, drizzle with chocolate, or add crushed peanuts for extra texture. These brownies are popular with children and adults alike, making them perfect for parties, gifts, or personal indulgence.

Tips for Quick, Easy, and Customizable Brownies

Substitute ingredients: Use dark chocolate chips or chopped chocolate bars for a richer flavor.
Adjust sweetness: Reduce sugar slightly if you prefer a less sweet dessert.
Storage: Keep brownies in an airtight container at room temperature for up to 4 days, or freeze for longer storage.
Variations: Swap mini peanut butter cups with caramel-filled chocolate candies or add a layer of chopped nuts for added crunch.

These Reese’s Stuffed Brownies are loved by many because they combine simple ingredients, straightforward preparation, and the universal appeal of chocolate and peanut butter. With every bite, you experience a perfect harmony of textures and flavors that make these brownies unforgettable.

Reese’s Peanut Butter Cup Brownies

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Reese’s Stuffed Brownies are a rich, fudgy dessert with a creamy peanut butter center that delights every chocolate lover. Perfect for parties, gifts, or a weekend baking project, this recipe is simple, affordable, and highly customizable.

Author: Lura Skye
Prep Time: 15
Cook Time: 35
Total Time: 50 minutes
Yield: 24 1x

Instructions

Preheat oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper and lightly grease.
Melt 1 cup butter until smooth.
Beat 2 cups sugar with 4 eggs for 2–3 minutes until pale.
Add melted butter and 1 teaspoon vanilla extract; mix until smooth.
Sift 1 cup flour, ¾ cup cocoa, ½ teaspoon baking powder, and ½ teaspoon salt.
Fold dry ingredients into wet mixture gently. Add 1 cup chocolate chips.
Pour half the batter into pan. Place 20 mini Reese’s cups evenly on top.
Cover with remaining batter and smooth the top.
Bake 30–35 minutes until a toothpick comes out with moist crumbs.
Cool for 20–25 minutes. Lift brownies out and cool completely before cutting.

Notes

For extra richness, add chopped chocolate or nuts.

Cut with a warm knife for clean slices.

Can be stored in an airtight container or frozen.

FAQs About Reese’s Stuffed Brownies

Q: Can I use regular peanut butter instead of mini Reese’s cups?
A: Yes, you can substitute with small spoonfuls of peanut butter, but mini Reese’s cups provide the ideal creamy center and chocolate-peanut butter combination.

Q: How do I prevent the brownies from sticking to the pan?
A: Line your pan with parchment paper and lightly grease it with butter or non-stick spray. This ensures the brownies lift out easily once cooled.

Q: Can I make these brownies ahead of time?
A: Absolutely. You can bake them a day in advance and store in an airtight container at room temperature. For longer storage, wrap them tightly and freeze for up to 2 months.

Q: How do I make fudgier brownies?
A: Reduce the flour slightly by 2 tablespoons and avoid overmixing the batter. Fudgy brownies have more moisture and a denser texture.

Q: Can I cut these brownies into smaller portions for serving?
A: Yes, use a sharp knife and cut into small squares or rectangles. Slightly warming the knife under hot water helps make cleaner cuts without squishing the peanut butter centers.

Q: Are these brownies suitable for sharing at parties?
A: Definitely! They are popular with both kids and adults and make a perfect treat for gatherings, potlucks, or holiday celebrations.