– 1 cup all-purpose flour – 1/2 cup unsweetened cocoa powder – 1 tsp. baking powder – 1/4 tsp. baking soda – 1/2 tsp. salt – 3 large eggs – 1 1/2 cups light brown sugar – 1/4 cup butter, room temperature – 1 tsp. vanilla extract – 4 oz. unsweetened baking chocolate, melted Coating: – 1/2 cup powdered sugar