Cake in a Cup Mix 18.25 oz. chocolate cake mix 3.9 oz. pkg. instant chocolate pudding mix 3 cups powdered sugar, divided 4 1/2 T. hot cocoa mix, divided 2 1/4 t. vanilla powder, divided Place dry cake mix and pudding mix in a large mixing bowl; mix together. Divide and place 1/2 cup mix in 8 plastic sandwich bags. Secure with twist ties and label as cake mix. Tuck one bag in a large mug that will hold at least 1 1/2 cups of water. Because the cake is microwaved, be sure the cup doesn't have any metal decoration on it. Place 1/3 cup powdered sugar, 1 1/2 t. hot cocoa mix and 1/4 t. vanilla powder in 8 plastic sandwich bags; secure with twist ties and label as glaze mix. Place one bag of glaze mix with cake mix in each mug and attach the following directions to mix: Generously spray inside o