Fudge Brownie Cupcakes with Peanut Butter Frosting

INGREDIENTS

1/2 cup

unsalted butter

3/4 cup

packed light brown sugar

1/2 cup

unsweetened cocoa powder

1 tbsp

vanilla extract

large eggs, at room temperature

1/4 tsp

salt

1/2 tsp

baking powder

2/3 cup

all-purpose flour (measured correctly)

5 tbsp

unsalted butter, softened to room temperature

1 cup

creamy peanut butter

1 cup

confectioners' sugar

1/3 cup

heavy cream

1 tsp

vanilla extract

1/4 tsp

salt

chocolate sprinkles