In order to make a chocolate cherry cake the recipe is:

Ingredients
6 Eggs White,
1 Chocolate Cake Mix,
21 oz of Cherry Pie Mix,
1 and 1/2 cup of Sugar,
1/4 tsp of Cream of Tartar,
1/3 cup of Water
1 tsp of Vanilla Essence.

Procedure
Take a bowl and chocolate cake mix and mix in egg whites, and cherry pie filling in it. Now grease a pan and make a layer of flour on it. Now pour the batter into the pan. Preheat the oven as per the directions of your oven. In this preheated oven bake the pan for till the knife comes out clean. Now take the cake out and cool it. To make the frosting for the cake, mix these ingredients. 2 Eggs White 1 and 1/2 cup of Sugar, 1/4 tsp of Cream of Tartar, 1/3 cup of Water and 1 tsp of Vanilla Essence and pour them in a double boiler. Now with a beater, beat for 1 minute. Now place this boiler on boiling water and again beat for 7 minutes. Now you need to remove it from the heat and beat for 2 minutes on high flame. Cool the cake and frost it with this mixture.