McCormick cake batter flavor is not labeled gluten-free but does not contain any gluten-ingredients. McCormick labels for all sources of gluten, including wheat, barley, rye, and oats. Also, they do not hide ingredients in "natural flavors" or "spices". McCormick encourages consumers to check labels for the most accurate product information and reassures consumers that they have allergen programs in place to minimize cross-contact of ingredients. The ingredients at the time of posting in McCormick Cake Batter Flavor are: Water, Propylene Glycol, Artificial and Natural Flavor, Gum Tragacanth, FD&C Yellow 5, and FD&C Red 40. As always, double-check labels to ensure nothing has changed.