• Preheat oven to 350°. Line muffin tins with cupcake liners.

For the Cupcakes

• In a medium mixing bowl, beat sugar and butter together, then beat in eggs one at a time.
• Mix buttermilk, bananas and vanilla into sugar mixture and beat on medium speed until well incorporated.
• In another medium mixing bowl, whisk flour, baking soda, salt together.
• Stir dry ingredients into wet ingredients and mix well.
• Add walnuts and stir.
• Pour mixture ¾ full into cupcake liners.
• Bake for 22-24 minutes or until tooth pick inserted in the center comes out clean.

For the Frosting

• In a large mixing bowl, beat butter and cream cheese together.
• Add vanilla and mix.
• Slowly add powdered sugar and beat until creamy.
• Frost cupcakes once cooled.