Two Stars Align in New Kellogg's® Little Debbie® Cosmic® Brownies Cereal Kellogg and Little Debbie® Bring Another Irresistibly Iconic Treat to Breakfast Tables Nationwide News provided by Share this article Share this article BATTLE CREEK, Mich., May 27, 2021 /PRNewswire/ -- Hot off the heels of their first delicious collaboration, Kellogg and Little Debbie are joining forces to transform a classic childhood treat into cereal with new Kellogg's® Little Debbie® Cosmic® Brownies Cereal. Featuring crispy, brownie squares with cosmic rainbow pieces, each bite delivers the fudgy chocolate flavor of the iconic Little Debbie® Cosmic® Brownies. Every nostalgia-evoking spoonful will bring your favorite galactic snack to breakfast for an out-of-this world experience!