4.75 from 8 votes
Ultimate Peanut Butter Brownies
Prep Time
1 hr 10 mins
Cook Time
22 mins
Total Time
1 hr 32 mins

Fudgy, peanut butter filled and addicting these Ultimate Peanut Butter Brownies are one of the best and easiest brownie recipes you will ever see!

Course: Dessert
Cuisine: American
Servings: 15 brownies
Calories: 187 kcal
  • 1 box Fudge brownie mix
  • 1/2-1 cup mini chocolate chips
  • 1/4 cup butter softened
  • 3/4 cup creamy peanut butter
  • 1 1/2 cup powdered sugar
  • 2-3 Tbs heavy cream
  • 1 container milk chocolate frosting
  • Powdered sugar for dusting
  1. Preheat oven to 350.
  2. Mix together ingredients called for on back of brownie box then fold in 1 cup mini chocolate chips and bake according to package direction.
  3. Meanwhile in bowl beat together peanut butter and butter until smooth, slowly add in your powdered sugar until combined.
  4. Add in heavy cream a little bit at a time until you reach spreading consistency.
  5. Once brownies are down remove from oven and immediately spread with peanut butter mixture and set aside.
  6. Remove top and tin lid from chocolate frosting and place in microwave and heat for about 1 minute and then stir, return to microwave and heat in 30 second increments until smooth.
  7. Pour over peanut butter layer and spread evenly over the top with an offset spatula.
  8. Refrigerate for about one hour until set.
  9. Sprinkle with powdered sugar if desired, cut and serve.
Nutrition Facts
Ultimate Peanut Butter Brownies
Amount Per Serving
Calories 187 Calories from Fat 99
% Daily Value*
Total Fat 11g 17%
Saturated Fat 4g 20%
Cholesterol 11mg 4%
Sodium 91mg 4%
Potassium 83mg 2%
Total Carbohydrates 18g 6%
Dietary Fiber 0g 0%
Sugars 16g
Protein 3g 6%
Vitamin A 2.7%
Calcium 1.5%
Iron 1.8%
* Percent Daily Values are based on a 2000 calorie diet.