In a medium bowl cream 2 large eggs, buttermilk, 4 oz. cream cheese, 3/4 cup powdered sugar and cocoa until well blended. Then slowly add your reserved heaping 1 cup cake mix and beat on medium speed till mixture is smooth and thickened (about 3 or 4 minutes). Spoon batter carefully over the cherries and spread with a spatula. Bake for 40 to 45 minutes until light browned on top.