Chocolate Wedding Cupcakes

INGREDIENTS

CUPCAKES:

box of chocolate cake mix

1 cup

all-purpose flour

1 cup

granulated white sugar

3/4 tsp

salt

1 1/3 cups

water

2 tbsp

vegetable or canola oil

1 tsp

vanilla extract

1 cup

sour cream

large eggs

CHOCOLATE BUTTERCREAM FROSTING:

(double this recipe if you want to pipe the frosting)

1/2 cup

salted butter, at room temperature

3 oz

cream cheese, at room temperature

1 lb

powdered sugar, sifted

1/4 cup

milk

1 tsp

vanilla extract

1 cup

dark chocolate chips (or chopped dark chocolate)