01 -
Preheat oven to 350°F (175°C). Grease and line two 9-inch round cake pans.
02 -
In a large bowl, whisk together flour, sugar, cocoa powder, baking powder, baking soda, and salt.
03 -
Pour in milk, vegetable oil, eggs, and vanilla. Mix until smooth. Then, stir in the boiling water (batter will be thin).
04 -
Divide batter between the prepared pans and bake for 30-35 minutes or until a toothpick inserted comes out clean.
05 -
Let cakes cool in the pans for 10 minutes, then transfer to a wire rack to cool completely.
06 -
Beat butter until fluffy. Add powdered sugar, cocoa powder, heavy cream, and vanilla. Mix until creamy.
07 -
Spread frosting over one cake layer, place the second layer on top, and frost the entire cake.