Ultimate Chocolate Cupcakes with Ultimate Chocolate Cream Cheese Frosting

INGREDIENTS

1/2 cup

or 113g) unsalted butter

2 oz

semi-sweet baking chocolate

large eggs (at room temperature)

3/4 cup

granulated sugar

2 tsp

vanilla extract

1/2 cup

sour cream ( room temperature)

1/2 cup

unsweetened cocoa powder

3/4 cup

all-purpose flour

1/2 tsp

baking soda

1 tsp

baking powder

1/4 tsp

salt

12 oz

semi-sweet chocolate (chips or chopped)

1 1/2 cups

or 339g) unsalted butter

8 oz

cream cheese (room temperature)

2 cups

confectioners sugar

1/4 cup

unsweetened cocoa powder

4 tbsp

brewed hot coffee