Rocky Road Peanut Butter Brownies

1 . Stage

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking pan.

2 . Stage

Sift flour, cocoa powder, baking powder, and salt together in a large bowl. Beat sugar, butter, and vanilla extract together in a separate bowl; beat in eggs, one at a time, until sugar mixture is smooth. Stir flour mixture into sugar mixture until incorporated. Spread batter into the prepared baking pan.

3 . Stage

Bake in the preheated oven until a toothpick inserted in the center of the brownies comes out clean, about 20 minutes.

4 . Stage

Mix peanut butter and chocolate chips together in a microwave-safe bowl; heat in microwave until chocolate chips are melted, stirring every 30 seconds, 1 to 2 minutes. Fold crispy rice cereal into peanut butter mixture; heat in microwave until mixture smooth and spreadable, about 30 seconds.

5 . Stage

Sprinkle brownies with marshmallows and bake until marshmallows are slightly cooked, 2 minutes. Pour chocolate mixture evenly over marshmallows. Allow to cool completely before cutting into squares.