How fun are these rainbow marshmallows? They are perfect for a St. Patrick's Day or Easter dessert. Although, admittedly, it's also makes me think of magical things like how this could totally be unicorn food for the soul. That is if sugar, sprinkles and sparkles make you smile like me. So go ahead—grab the recipe and make some for those you love and spread the cheer. (Psst . . . please tell me that you have bought a thermometer like the one I suggested here, because you are going to need on...