Peanut Butter Frosted Brownies
User Reviews
5
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Prep Time
10 mins
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Cook Time
30 mins
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Total Time
40 mins
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Servings
16 brownies
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Calories
418 kcal
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Course
Dessert
Peanut Butter Frosted Brownies
Description
The brownies are prepared by melting butter and semi-sweet chocolate chips together, then mixing in cocoa powder, granulated sugar, and brown sugar for a rich chocolate flavor. Eggs and vanilla are incorporated for structure and aroma. Flour and salt are added last, and mini chocolate chips can be folded in for bites of extra chocolate. The batter is baked in a parchment-lined 9x9 pan until edges are firm but center remains slightly fudgy.
The peanut butter frosting is made by beating softened butter and creamy peanut butter to smoothness, then gradually adding powdered sugar, vanilla extract, salt, and a small amount of heavy cream or optional milk to adjust consistency. The cooled brownies are spread with this frosting, adding a nutty sweetness that balances the deep chocolate base.
This dessert pairs well with a glass of milk or coffee, and is suitable for gatherings or casual indulgence. Allowing brownies to cool fully before frosting ensures a smooth application and avoids melting.
If heavy cream is unavailable, milk can be substituted or omitted to produce a firmer frosting.
Ingredients
Brownies
- 12 tablespoons butter sliced into individual tablespoons, unsalted
- 1/2 cup chocolate chips semi-sweet
- 1/2 cup cocoa powder unsweetened
- 3/4 cup granulated sugar
- 3/4 cup brown sugar tightly packed
- 2 large egg
- 1 large egg yolk
- 1 teaspoon vanilla extract
- 1/2 teaspoon salt
- 1 cup all-purpose flour
- 1/2 cup mini chocolate chips optional
Peanut Butter Frosting
- 3/4 cup peanut butter creamy
- 1/2 cup butter softened to room temperature, unsalted
- 1 1/4 cup powdered sugar
- ½ teaspoon vanilla extract
- ½ teaspoon salt
- 1 tablespoon heavy cream
Instructions
Brownies
- Preheat oven to 350F and line a 9x9 baking pan with parchment paper.
- Combine butter and 1/2 cup semisweet chocolate chips in a large, microwave-safe bowl. Microwave for 30 seconds. Stir well, microwave for another 15 seconds and then stir well again. Repeat at 15 second intervals until chocolate and butter are completely melted and well-combined.
- Add cocoa powder and stir well. Add sugars, stir until completely combined. Add eggs and egg yolk, one at a time, stirring very well after each addition. Stir in vanilla extract.
- Sprinkle salt over batter and stir. Add flour, stir until completely combined. Fold in chocolate chips, if using.
- Spread into prepared 9x9 pan. Bake on 350F (177C) for 30-35 minutes (toothpick inserted in center should be just slightly fudgy, but not wet with batter).
- Allow to cool before frosting with peanut butter frosting.
Peanut Butter Frosting
- Using an electric mixer, beat together the butter and peanut butter until smooth. Gradually add powdered sugar until combined.
- Stir in salt and vanilla. Gradually, with mixer on low speed, add heavy cream.
- Increase speed to high and beat until well-combined and frosting is smooth (pause mid-way to scrape down the sides and bottom of the bowl).
Notes
- The heavy cream in the frosting can be replaced with 1 tablespoon of milk or omitted entirely for a firmer texture.
- Allow brownies to cool completely before applying frosting to prevent melting.
Nutrition Information
Show DetailsNutrition Facts
Serving: 16brownies
Amount Per Serving
Calories 418 kcal
% Daily Value*
| Calories | 418kcal | 21% |
| Carbohydrates | 46g | 15% |
| Protein | 6g | 12% |
| Fat | 25g | 38% |
| Saturated Fat | 13g | 65% |
| Polyunsaturated Fat | 2g | 12% |
| Monounsaturated Fat | 8g | 40% |
| Trans Fat | 1g | 50% |
| Cholesterol | 61mg | 20% |
| Sodium | 216mg | 9% |
| Potassium | 177mg | 4% |
| Fiber | 2g | 8% |
| Sugar | 36g | 72% |
| Vitamin A | 499IU | 10% |
| Vitamin C | 0.04mg | 0% |
| Calcium | 37mg | 4% |
| Iron | 2mg | 11% |
* Percent Daily Values are based on a 2,000 calorie diet.