Peanut Butter Brownie Recipe

Rich, fudgy chocolate brownies swirled with creamy peanut butter create an irresistible dessert that perfectly combines two classic flavors. These peanut butter brownies are easy to make and even easier to devour, featuring a beautiful marbled top and decadent texture that will satisfy any chocolate-peanut butter craving.

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Course: Dessert

Cuisine: American

Keyword: Peanut Butter Brownie Recipe

Prep Time: 20

Cook Time: 30

Total Time: 50

Servings: brownies

Calories: 375kcal

Cost: $11.75

Equipment

9x13-inch baking pan
Parchment paper
Large mixing bowls
Whisk
Rubber spatula
Microwave-safe bowl or double boiler
Measuring cups and spoons

Ingredients

Brownie Base

1 cup unsalted butter 226g
2 cups granulated sugar 400g
4 large eggs room temperature
2 teaspoons vanilla extract
1 cup unsweetened cocoa powder 100g
1 cup all-purpose flour 125g
½ teaspoon salt
¼ teaspoon baking powder

Peanut Butter Swirl

1 cup smooth peanut butter 250g
¼ cup unsalted butter melted (57g)
½ cup powdered sugar 60g
½ teaspoon vanilla extract

Instructions

Preheat oven to 350°F (175°C). Line 9x13 pan with parchment paper.

For brownie batter:

Melt butter
Whisk in sugar
Beat in eggs one at a time
Add vanilla
Mix dry ingredients separately
Fold dry into wet ingredients

For peanut butter swirl:

Mix peanut butter with melted butter
Stir in powdered sugar and vanilla
Microwave 20-30 seconds if too thick

Assembly:

Pour brownie batter in pan
Drop spoonfuls of peanut butter mixture
Swirl with knife
Bake 30-35 minutes

Notes

Use room temperature eggs for better mixing
Cool melted butter slightly before adding eggs to prevent cooking them
Peanut butter mixture should be warm enough to swirl easily

Nutrition