Just try not to think about the fact that the rainbow is pretty much cat poop.
Butter, marshmallow fluff, Rice Krispies. How could you possibly make this recipe more satisfying? Rainbows! Fruity Pebbles! I'm sure you'll all say, "Duh Ingo!" but I honestly never thought of this. Genius. I need to go to the store to stock up on cereal now. Brb.