Chocolate Peanut Butter Brownies are filled with chopped peanuts, chocolate chips and peanut butter, and are absolutely delicious!
Chocolate Peanut Butter Brownies are filled with chopped peanuts, chocolate chips and peanut butter, and are absolutely delicious!

If you love the flavor combo of chocolate and peanut butter, I think you’ll enjoy these delicious chocolate peanut butter BROWNIES! The peanut butter taste is not too strong, and it perfectly blends with the fudgy chocolate flavor in these yummy dessert bars!

With only 10 minutes of hands-on prep, you can have a big ol’ pan of yummy tasting brownies in the oven before you know it. Chocolate peanut butter brownies can be eaten unfrosted OR you can frost them with chocolate icing. I’ve included a recipe for chocolate frosting in the printable recipe card) for your convenience. Here’s how easy these brownies are to make:

Scroll Down For A Printable Recipe Card At The Bottom Of The Page

Make The Brownie Batter

Measure peanut butter, softened butter, brown sugar and granulated sugar into a large mixing bowl. Cream ingredients together using an electric mixer on High speed until fully blended. Turn the mixer down to Medium speed, and add vanilla extract and 4 eggs, ADDING EGGS ONE AT A TIME. Beat the ingredients very well after each egg is added. Once done, the batter will be fairly thick.

Peanut butter, brown & granulated sugar, and butter are combined using a mixer.Four eggs are added to the batter, one at a time, then mixed in.

Stir cocoa powder, flour, salt, chocolate chips and chopped peanuts into the brownie batter until well combined. Now the brownies are ready to be baked!

Cocoa powder, chocolate chips, flour, salt and peanuts are stirred into the brownie batter.

Ready To Bake!

Lightly grease a 9″ x 13″ baking pan and then spread the batter evenly in the pan. Place the pan of brownies on the center rack of a preheated 350°F. oven. Bake the brownies for 15-20 minutes, or until a toothpick inserted deep into the center of the brownies comes out clean. The top of the brownies should also feel firm once done.

The batter for chocolate peanut butter brownies is spread into a greased cake pan.

If You Like “Unfrosted” Chocolate Peanut Butter Brownies

Remove the pan from the oven, and cut the brownies into 24 portions while still hot. Let them cool  to room temp (still in the pan) after slicing, before serving. If you enjoy the chocolate peanut butter brownies UNFROSTED, simply let them cool completely. Transfer them from the pan to a serving plate, and serve.

After baking, the chocolate peanut butter brownies are cut while still hot into 24 portions.A white plate with several unfrosted brownies ready to enjoy.

If You Like “Frosted” Chocolate Peanut Butter Brownies

If you prefer chocolate frosting on brownies, you can make it while the brownies cool. It’s EASY! I’ve included the printable recipe below, but here are the basics.  Melt butter in a saucepan on low heat. Add cocoa powder, and stir it in, until blended with the melted butter. Stir in salt, vanilla, and ¼ cup of milk, stirring by hand until combined. Add powdered sugar, and stir well. If necessary add a bit more milk until the frosting becomes smooth and slightly pourable.

Poke holes in the tops of the brownies, then immediately pour the chocolate frosting evenly over the surface. The frosting will cover the top and sink into the holes in each brownie. 

Chocolate frosting can be made to frost the brownies, if desired.Holes are poked in the brownies, then they're covered with chocolate frosting.

Let the frosting become firm before slicing and transferring the brownies out of the baking pan to a serving plate. 

A pan of frosted chocolate peanut butter brownies showing the inside after removing brownies..A white plate with several frosted chocolate peanut butter brownies on it.

I really hope you enjoy these delicious brownies! Thanks for taking the time to stop by today, and I invite you to come back soon for more family-friendly recipes. Take care, may God bless you, and have a great day!

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Author's signature

Original recipe source for brownies: “Mollie Katzen’s Vegetable Heaven”, page 204, published in 1997 by Tante Malka, Inc.
Original recipe source for frosting: my Mom’s frosting recipe for chocolate cake

↓↓ PRINTABLE RECIPE BELOW ↓↓

0 from 0 votes
Chocolate Peanut Butter Brownies
Prep Time
10 mins
Cook Time
15 mins
Resting Time (inactive cooling time)
30 mins
Total Time
55 mins
 

Chocolate Peanut Butter Brownies are filled with chopped peanuts, chocolate chips and peanut butter, and are absolutely delicious!

Category: Desssert
Cuisine: American
Keyword: chocolate peanut butter brownies
Servings: 24
Calories Per Serving: 260 kcal
Author: JB @ The Grateful Girl Cooks!
Ingredients
For Brownie Batter:
  • 1 cup creamy peanut butter (not natural)
  • 1 stick butter (½ cup), softened
  • 1 cup light brown sugar (packed)
  • ½ cup granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup unsweetened cocoa powder
  • 1 cup all purpose flour
  • cups semisweet chocolate chips
  • ½ cup cocktail peanuts finely chopped
For Chocolate Frosting (if using):
  • 6 Tablespoons butter (3/4 stick)
  • 4 Tablespoons unsweetened cocoa powder
  • 1 pinch salt
  • 1 teaspoon vanilla extract
  • 12 ounces powdered sugar
  • ¼ cup low-fat milk (1%) more if necessary to thin frosting
Instructions
  1. Preheat oven to 350°F. Lightly grease a 9x13 baking pan.

  2. Measure peanut butter, butter, brown sugar and granulated sugar into large mixing bowl. Cream ingredients using electric mixer on High until fully blended. Turn mixer to Medium; add vanilla and eggs, ADDING EGGS ONE AT A TIME. Beat well after each egg is added.

  3. Remove beaters. Add cocoa, flour, chocolate chips and peanuts to batter; stir by hand until fully incorporated into thick batter.

  4. Spread batter evenly in prepared pan. Place pan on center rack of oven. Bake at 350°F. for 15-20 minutes, or until a toothpick inserted deep into the center of the brownies comes out clean. The surface of the brownies should feel firm.

For UNFROSTED Brownies:
  1. Remove pan from oven. Cut brownies into 24 servings while still hot. Let cool (still in pan) to room temp. after slicing, before removing from pan and serving.

For FROSTED Brownies:
  1. Slice brownies while still hot. To make frosting: Melt butter on low heat in medium saucepan. Remove from heat. Add cocoa powder; stir well, then add salt, vanilla, and ¼ cup of milk, stirring by hand until combined. Add powdered sugar, and stir well. If necessary add a bit more milk until the frosting becomes slightly pourable. When fully combined, poke holes in the top of the brownies, then pour frosting over the surface to cover. Let frosting become firm, before removing brownies from pan and serving.

Recipe Notes

NOTE: Caloric calculation is for UNFROSTED brownies (260 per serving). If using frosting included in recipe card, the caloric content of each brownie will be approx. 344 calories per serving.

ALSO... if you are using non-salted peanut butter in the brownies, add ¼ tsp. to the brownie batter.

Nutrition Facts
Chocolate Peanut Butter Brownies
Amount Per Serving (1 brownie (1/24 of total))
Calories 260 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 6g38%
Trans Fat 1g
Polyunsaturated Fat 2g
Monounsaturated Fat 6g
Cholesterol 42mg14%
Sodium 106mg5%
Potassium 223mg6%
Carbohydrates 27g9%
Fiber 3g13%
Sugar 18g20%
Protein 6g12%
Vitamin A 167IU3%
Calcium 33mg3%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.

Here’s one more to pin on your Pinterest boards!Chocolate Peanut Butter Brownies are filled with chopped peanuts, chocolate chips and peanut butter, and are absolutely delicious!

Chocolate Peanut Butter Brownies

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