01 -
Heat the oven to 350°F (175°C). Coat two 9-inch round pans with a light layer of grease and a dusting of flour.
02 -
In a big bowl, stir together baking powder, flour, sugar, salt, cocoa powder, and baking soda until well blended.
03 -
Pour eggs, oil, milk, and vanilla into the dry ingredients. Blend until smooth. Slowly stir in boiling water—it’ll be runny.
04 -
Split the mix between the pans. Bake for 30-35 minutes or until a skewer poked in the middle comes out dry.
05 -
After baking, let the cakes rest in the pans for about 10 minutes. Move them to cooling racks until fully cool.
06 -
Whip up the butter until it’s nice and creamy. Gradually add cocoa and powdered sugar. Alternate adding milk and vanilla while beating until fluffy.
07 -
Spread frosting over the first layer. Place the second layer on top and cover everything with frosting. Slice and enjoy.