Marshmallow Peeps are ubiquitous this time of year. But they’re not just for filling Easter baskets anymore. You can craft with them, cook with them, or make your own diorama like this one featuring the GOPeep and Democratic parties debating it out (L-R: Anderbun Cooper, Bunny Sanders, Hoppity Clinton, Donald Trumpeep and Egg Cruz). 8 Creative Uses for Marshmallow Peeps.