December 19: National Oatmeal Muffin Day Food Holiday Oatmeal muffins keep good citizens regular! Recipes: Applesauce Cinnamon Oat Muffins by TasteofHome.com Quick and Easy Oatmeal Muffins by AllRecipes.com Oatmeal Muffins by Epicurious.com No Sugar, No Oil Oatmeal Muffins by BrenDid.com Social: Tweet Back to the month page! You know there's more stuff to click!