Mayacamas Gluten Free Brown Gravy Mix. A gluten free gravy that will add a delicious flavour to your meal. Mayacamas Gluten Free products contain no Hydrogenated Oils or Trans Fats. Additionally, all of Mayacamas products are Vegetarian. Mayacamas's Gluten-Free gourmet products are developed and produced in the Wine Country of Sonoma Valley, California.