Steak 'n Shake later added: "By the end of February 2025, all locations will use 100% all-natural beef tallow. If veg oil broke your heart, our tallow will make you fall in love again [french fries ...
McDonald's used beef tallow to fry their french fries from 1940-1990, when they switched to vegetable oil. Beef tallow and other high-fat animal products, like butter and lard, became less popular ...