Kahlua and Orange Cupcakes

Ingredients

1 cup sweet butter, softened
1 cup superfine sugar
2 cups self-rising flour
4 eggs
1 teaspoon orange extract
2 cups powdered sugar, sifted
12 cup sweet butter, softened
14 cup sour cream
2 tablespoons Kahlua
1 tablespoon orange zest, grated

Directions

Preheat oven to 350; place 18 paper baking cups in muffin pans.
In a bowl, combine all the cupcake ingredients; beat with an electric mixer until smooth and pale, about 2-3 minutes.
Spoon batter into the cups; bake 20 minutes.
Remove pan from oven and cool for 5 minutes; then remove cupcakes and cool on a rack.
Make frosting: beat the powdered sugar and butter in a bowl until soft and creamy.
Beat in the sour cream, Kahula, and orange zest.
Swirl onto the cooled cupcakes.