Ingredients
1 + 3/4 cups all-purpose flour
2 + 1/2 teaspoons baking powder
1/2 teaspoon salt
1/4 teaspoon baking soda
3/4 cup butter, softened
1 + 1/3 cups granulated sugar
2/3 cup creamy peanut butter
3 large eggs
1/2 cup sour cream
1/2 teaspoon pure vanilla extract
Frosting:
8 ounces cream cheese, slightly softened
1 stick unsalted butter, slightly softened
4 cups confectioners' sugar
2 cups marshmallow fluff
1 teaspoon vanilla extract
Preparation
