Ingredients
For the cake:- 2 cups all-purpose flour
- 2 teaspoons baking powder
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 3/4 cup butter, melted
- 1 cup brown sugar
- 2 eggs
- 1 cup buttermilk
- 1 teaspoon vanilla extract
- 1/2 cup cocoa powder
- 1/2 cup peanut butter
- 1 cup butter, softened
- 1/2 cup peanut butter
- 3 cups powdered sugar
- 1 teaspoon vanilla extract
- 2 tablespoons milk