Mm mm, cinnamon. Spiced just right, cinnamon oat cereal warms the heart with tasty, good-for-you nutrition. We combined tasty cinnamon with some of our favorite warm spices to create a heart-warming way to start the day. Lightly sweet and crunchy, heart to heart warm cinnamon oat cereal is a combination of cinnamon-kissed So, hearts made with whole grain oats, and our unique blend of seven whole grains.