1 box of yellow cake mix 1 can of white colored frosting 1 bag of plain pastel colored M & Ms Assorted marshmallow Peeps and bunnies Preparation: Prepare cake according to the box's directions. Let it cool completely. Frost the entire cake. Arrange the M & Ms on top of the cake in a mosaic-like pattern. Attach the Peeps and bunnies around the cake. Adhere with extra frosting if necessary.