Espresso Chocolate Cupcakes

INGREDIENTS

6 tbsp

unsalted butter (at room temperature)

1 cup

sugar

2 tsp

vanilla extract

eggs

1 1/3 cups

+ 1 tbsp all-purpose flour

1/2 tsp

baking soda

1/2 tsp

salt

1/3 cup

hottest tap water

1/3 cup

unsweetened cocoa powder

1/2 tsp

instant espresso powder

1/3 cup

half-and-half

100 g

dark chocolate (3.5 oz)

150 g

unsalted butter (5 oz., softened)

1/2 cup

powdered sugar

1/8 cup

cocoa powder

1 tsp

instant espresso powder