Peanut Butter Cupcakes on BakeSpace.com

Ingredients

• 1/2 cup creamy peanut butter
• 1/2 cup butter, softened
• 4 eggs
• 2 cups sugar
• 1 1/2 cups self-rising flour
• 1 1/4 cups all-purpose flour
• 1 cup milk
• 1 teaspoon vanilla extract
• 1 cup peanut butter
• 4 cups confectioners' sugar
• 1/3 cup heavy cream