Why You’ll Love Reese’s Peanut Butter Cup Brownies Recipe
If you love the classic combination of chocolate and peanut butter, this recipe is hard to resist. The brownies bake up dense and chewy, with a soft center and a hidden layer of Reese’s peanut butter cups tucked inside. They are simple enough for a casual weekend bake but impressive enough to bring to parties, bake sales, or holiday gatherings.
Another reason to love this recipe is how straightforward it is. The batter comes together with basic pantry ingredients, and the candy layer adds a fun surprise without requiring any complicated steps. Whether you cut them into 9 generous squares or 12 smaller servings, every piece delivers a rich and satisfying treat.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- ½ cup salted butter, melted and cooled
- 1½ cups granulated sugar
- 2 teaspoons vanilla extract
- 3 large eggs
- ¾ cup all-purpose flour
- ½ cup unsweetened cocoa powder
- ½ teaspoon salt
- ½ teaspoon baking powder
- 9 full-size Reese’s peanut butter cups
Directions
Preheat your oven to 350°F. Lightly spray an 8×8-inch baking pan with nonstick spray. Line the pan with parchment paper, then spray the parchment as well to make removal easier after baking.
In a large mixing bowl, beat together the melted and cooled butter with the granulated sugar using a hand mixer or stand mixer. Add the vanilla extract, then mix in the eggs one at a time, beating well after each addition.
In a separate bowl, sift together the flour, cocoa powder, salt, and baking powder. Gradually add the dry ingredients to the butter mixture and beat until the batter is fully combined.
Spread half of the brownie batter into the prepared pan. Since the batter is thick, use a spatula to carefully press and smooth it into an even layer. Place the Reese’s peanut butter cups on top in neat rows.
Spread the remaining batter over the peanut butter cups, smoothing it as evenly as possible so the candy is covered.
Bake for 30 to 35 minutes, or until the center is set and a toothpick inserted into the middle comes out with moist crumbs. Be careful not to overbake, since the brownies will continue to cook slightly as they cool in the pan.
Remove the pan from the oven and let the brownies cool completely. Once cooled, lift them out using the parchment paper and cut into 9 large pieces or 12 smaller portions.
Servings and timing
This recipe makes 12 servings, though you can also cut the brownies into 9 larger squares for extra generous portions.
The total time is 2 hours 55 minutes, which includes prep, baking, and cooling time. The brownies bake for 30 to 35 minutes, and the remaining time allows them to cool fully so they slice cleanly.
Variations
For an even richer chocolate flavor, stir a handful of chocolate chips into the batter before spreading it into the pan. You can also use dark chocolate peanut butter cups for a deeper, less sweet twist.
To add crunch, mix chopped peanuts into the batter or sprinkle them over the top before baking. For a festive version, try using seasonal peanut butter cup shapes when they are available. You can also finish the brownies with a light drizzle of melted peanut butter or chocolate once they have cooled.
If you want a slightly thicker brownie, bake the recipe in a smaller pan and add a few extra minutes to the baking time while watching the center closely.
Storage/Reheating
Store the brownies in an airtight container at room temperature for up to 3 days. For longer storage, keep them in the refrigerator for up to 1 week. The chilled brownies will be firmer, while room-temperature brownies will have a softer, fudgier texture.
To freeze, wrap individual brownies tightly and place them in a freezer-safe container or bag for up to 2 months. Thaw at room temperature before serving.
For reheating, warm a brownie in the microwave for about 10 to 15 seconds. This softens the center and makes the peanut butter cup layer extra gooey.
FAQs
Can I use unsalted butter instead of salted butter?
Yes, you can use unsalted butter. Just add a small extra pinch of salt to the batter so the flavor stays balanced.
Can I use a different size pan?
An 8×8-inch pan works best for the thickness intended in this recipe. A larger pan will make the brownies thinner and may reduce the baking time.
How do I know when the brownies are done?
The center should look set, and a toothpick inserted into the middle should come out with moist crumbs rather than wet batter.
Can I make these brownies ahead of time?
Yes, these brownies are great for making ahead. They slice even better after they have fully cooled, and the flavor stays delicious the next day.
Do I need parchment paper?
Parchment paper is highly recommended because it makes removing the brownies from the pan much easier and helps keep them from sticking.
Can I use homemade peanut butter cups?
Yes, homemade peanut butter cups can work as long as they are firm enough to hold their shape during baking.
Why is the batter so thick?
This brownie batter is meant to be thick. That helps create a dense, fudgy texture and keeps the peanut butter cups suspended in the middle.
Can I cut them into smaller bites?
Yes, you can cut them into 12 smaller squares or even more bite-size pieces for parties and dessert trays.
Should I refrigerate these brownies?
They do not need to be refrigerated right away, but refrigeration is helpful if you want them to last longer or prefer a firmer texture.
Can I add extra peanut butter flavor?
Yes, you can swirl a few spoonfuls of peanut butter into the top layer of batter before baking for even more peanut butter flavor.
Conclusion
Reese’s Peanut Butter Cup Brownies are a perfect dessert for anyone who loves rich chocolate treats with a creamy peanut butter surprise. They are easy to prepare, crowd-pleasing, and ideal for everything from family dessert nights to special celebrations. With their fudgy texture and candy-filled center, these brownies are sure to become a favorite recipe you’ll want to make again and again.
