Chocolate Cupcakes

INGREDIENTS

1 cup

all-purpose flour ((spooned & leveled))

1/4 cup

plus 2 tablespoons unsweetened cocoa powder

3/4 tsp

baking powder

1/2 tsp

baking soda

1/2 tsp

salt

1/2 cup

brown sugar

1/2 cup

granulated sugar

1/3 cup

oil ((canola or vegetable))

1/2 cup

buttermilk

large egg

1 tsp

vanilla extract

1/2 cup

boiling water

1 tsp

instant espresso powder (optional)

1 cup

unsalted butter (softened to room temperature)

3 cups

powdered sugar

1/2 cup

unsweetened cocoa powder (sifted)

3 tbsp

heavy cream

1 tsp

vanilla extract

salt