I used my vanilla cake batter for today's recipe, but you can use my funfetti cupcake recipe or a half batch of my favorite chocolate cupcake recipe instead. Substitute the batter but otherwise follow the instructions listed in the recipe below for bake time and temperature. For frosting, I used cream cheese frosting and chocolate cream cheese frosting, but you can use my Swiss meringue buttercream and chocolate Swiss meringue buttercream instead. You could also keep things simple with my vanilla frosting, just make the frosting as suggested, divide it approximately in half, and then beat 3-4 Tablespoons of cocoa powder into one half so that you have chocolate and vanilla.