Key lime cupcakes

Ingredients

CUPCAKES
· 1 cup all purpose flour
· 3/4 cup self-rising flour
· 1/2 cup (1 stick) unsalted butter, room temperature
· 1 1/4 cup sugar
· 2 large eggs
· 2 1/2 tablespoons fresh lime juice
· 1 tablespoon finely grated lime peel
· 1/4 teaspoon neon-green food coloring
· 3/4 cup buttermilk
FROSTING
· 1 8-ounce package cream cheese, room temperature
· 1 1/2 cups powdered sugar
· 1/2 cup (1 stick) unsalted butter, room temperature
· 1 tablespoon finely grated lime peel
· 1/2 teaspoon vanilla extract
Preparation

CUPCAKES
Preheat oven to 350°F. Line standard muffin pan with 12 paper liners. Whisk both flours in medium bowl. Beat butter in large bowl until smooth. Add sugar; beat to blend. Beat in eggs 1 at a time, then next 3 ingredients (batter may look curdled). Beat in flour mixture in 3 additions alternately with buttermilk in 2 additions. Spoon scant 1/3 cup batter into each liner.
Bake cupcakes until tester inserted into center comes out clean, 20 to 25 minutes. Cool 10 minutes. Remove from pan; cool.


FROSTING
Beat all ingredients in medium bowl until smooth. Spread over cupcakes.