Banana Cupcakes with Vanilla Frosting

2/3 cup sugar
1/2 cup sour cream
1 egg
2 tablespoons butter, room temp
2 large very ripe bananas, mashed (1 cup or more)
1 teaspoon pure vanilla extract 
1 cup flour
1/4 teaspoon salt
1/2 teaspoon baking soda

Preheat the oven to 375 degrees. Mix together sugar, sour cream, egg, and butter. Add mashed bananas (use a potato masher or your clean hands) and vanilla extract. Add flour, salt, and baking soda and mix well. Pour into your cupcake liners. Bake for 12-15 minutes or until a tester comes out clean. Cool completely before frosting.

Vanilla Frosting

3 cups powdered sugar
3/4 cup butter, room temp
1 generous tsp vanilla
2 TBS heavy cream

Mix sugar and butter on med high speed until smooth and whipped, add in the vanilla and whip for a minute, add in the heavy cream and whip for another minute. Adjust the consistency to your liking by adding more milk or sugar.

Source: http://thestir.cafemom.com/food_party/153135/banana_cupcakes_with_vanilla_frosting?utm_source=pinterest