Chocolate Layer Cake

INGREDIENTS

2 cups

all-purpose flour, spooned & leveled

3/4 cup

unsweetened cocoa powder

and ½ teaspoons baking soda

and ½ teaspoons baking powder

1 tsp

salt

1 cup

granulated sugar

1 cup

brown sugar

1/2 cup

canola or vegetable oil

1 cup

buttermilk

large eggs

2 tsp

pure vanilla extract

1 cup

boiling water

1 tsp

instant espresso powder (optional, but recommended)

2 cups

unsalted butter, softened to room temperature

6 cups

powdered sugar

1 cup

unsweetened cocoa powder, sifted

6 tbsp

(90-105 ml) heavy whipping cream

2 tsp

vanilla extract

1/4 tsp

salt