Cake Batter Ice Cream...like Cold Stone! 3 cups heavy cream 1 cup milk 3/4 cup sugar 1/4 teaspoon salt 1/2 cup dry Duncan Hines Butter Recipe Cake Mix Heat 1 cup heavy cream, salt, and 3/4 cup of sugar until dissolved. Turn off burner. Add cake batter mix, whisk. Add rest of cream & milk. Mix.