Easy PB Cup Brownies: Reese’s Peanut Butter Cup Recipe

With these PB Cup Brownies, you get a delicious blend of peanut butter and chocolate in every bite. Topped with Reese’s peanut butter cups, this recipe is easy to make, and loaded with tons of flavor.

This recipe is great to make anytime, but I especially like to make it after Halloween when I have extra candy on hand. My daughter loves Reese’s peanut butter cups, so she grabs those at every house she goes to for trick or treating. The problem? She never eats them all, so this is the perfect way to use them up.

PB Cup Brownies. Three chocolate chip cookie bars with Reeseโ€™s peanut butter cups baked on top, stacked in front of a Reeseโ€™s wrapper, with peanuts scattered nearby.

About PB Cup Brownies

I call these PB Cup Brownies, but some may argue that they are really blondies. What’s the difference? Well, a blondie doesn’t usually have a chocolate base to it. A brownie includes cocoa powder (or melted chocolate) to give it a chocolate batter.

But this recipe includes a chopped bar of chocolate in the dough, so one could argue that these are brownies. Whether you call them a peanut butter brownie or peanut butter blondie, the result is still the same. This is a decadent bar cookie filled with Reese’s peanut butter cups in every bite.

Like most brownie recipes, these PB cup brownies are easy to make. You don’t need a mixer, just a bowl and a whisk will do. When you use a toothpick to see if the brownies are done, be sure to check in the part of the brownie without the Reese’s. The Reese’s will always be soft and leave peanut butter on the toothpick, so don’t test there.

Step by Step With Photos

Here are the ingredients needed to make these Reese’s PB Cup brownies.

  • โ…“ cup unsalted butter, melted
  • 1 cup brown sugar
  • โ…“ cup creamy peanut butter
  • ยฝ teaspoon vanilla extract
  • 2 eggs
  • ยฝ teaspoon salt
  • 1 cup all-purpose flour
  • ยฝ teaspoon baking powder
  • 8 ounce bar of chocolate, chopped
  • 9 Reeseโ€™s cups

Preheat the oven to 350 degrees Fahrenheit. Line a 9″x9″ baking pan with parchment paper, or spray it with non-stick spray.

A clear glass bowl containing melted butter, brown sugar, white sugar, and vanilla extract, ready to be mixed.

Add 1/3 cup melted butter and 1 cup of brown sugar to a mixing bowl. Whisk together until combined.

A glass bowl containing brown sugar, two raw eggs, and a scoop of peanut butter, seen from above.

Add 1/3 cup of peanut butter, 1/2 teaspoon vanilla extract, and 2 eggs. Whisk again until smooth.

A glass bowl with flour sitting on top of a brown batter mixture, ready to be combined.

Add 1 cup all-purpose flour, 1/2 teaspoon salt, and 1/2 teaspoon baking powder to the bowl. Stir to combine.

A glass bowl containing light brown cookie dough with a pile of chopped dark chocolate pieces on top, ready to be mixed.

Add 8 ounces of chopped chocolate. Stir again to combine.

A square pan lined with parchment paper filled with chocolate chip cookie dough, ready to be baked.

Transfer the batter to the prepared baking pan.

A baking pan lined with parchment paper contains cookie dough topped with nine evenly spaced peanut butter cups before baking.

Add 9 Reese’s Peanut Butter Cup.

A square pan lined with parchment paper holds baked cookie bars topped with nine evenly spaced chocolate peanut butter cups.

Bake the PB Cup brownies for about 30 minutes.

Nine square peanut butter brownies, each topped with a whole chocolate peanut butter cup, displayed on a white surface.

Let the brownies cool for 20 minutes before removing them from the pan and cutting into squares.

I hope you enjoy making these Reese’s peanut butter cup brownies. If you love Reese’s as much as I do, you’ll love this recipe. It’s also a great recipe when you have leftover Halloween candy in the house or when you just need a dessert packed with peanut butter and chocolate flavors.

Three peanut butter cookie bars with chocolate centers are stacked on a plate, with a Reeses wrapper and peanuts visible in the background.

More Brownie Recipes to Try

Since brownies are so easy to make and everyone loves them, I have a lot of brownie recipes. Here are some others that you may enjoy. Chocolate Pecan Brownies or these Chocolate Peanut Butter brownies that are nice to make if you want the PB and chocolate combo, but you don’t have Reese’s on hand.

If you try this PB Cup Brownies recipe or any other recipe on my blog, please leave a ๐ŸŒŸ star rating and tell me how it went in the ๐Ÿ“ comments below. Thanks for visiting, and happy baking!

PB Cup Brownies

Reeseโ€™s Peanut Butter Blondies

A peanut butter blondie with Reese's peanut butter cups in every bite.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Dessert
Cuisine American
Servings 9

Equipment

  • 9×9 Baking Dish
  • Parchment Paper
  • Mixing Bowl
  • Measuring Cups
  • Measuring Spoons

Ingredients
  

  • โ…“ Cup Unsalted butter melted
  • 1 Cup Brown sugar
  • โ…“ Cup Creamy peanut butter
  • ยฝ tsp. Vanilla extract
  • 2 Eggs
  • ยฝ tsp. Salt
  • 1 Cup All-purpose flour
  • ยฝ tsp. Baking powder
  • 1 8 ounce Bar of chocolate chopped
  • 9 Reeseโ€™s cups

Instructions
 

  • Preheat the oven to 350 degrees Fahrenheit.
  • Prepare a baking dish with parchment paper and set aside.
  • In a mixing bowl, add the melted butter and brown sugar. Whisk together until combined
  • Then add the peanut butter, vanilla and eggs. Whisk again until the ingredients are blended evenly.
  • Add the salt, flour and baking powder all at once to the wet ingredients. Fold together until the dry ingredients are incorporated and a thick batter is formed.
  • Fold in the chopped chocolate bar next. Pour the batter into the prepared baking dish and spread evenly.
  • Press Reeseโ€™s peanut butter cups into dough, creating a 3×3 square of peanut butter cups.
  • Bake in the oven for 30 minutes or until a toothpick inserted comes out clean.
  • Let these cool for 20 minutes before removing from the pan.
Keyword blondies, brownies, peanut butter, reese’s peanut butter
Tried this recipe?Let us know how it was!

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Kristen

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