Once a staple in your grandparent’s or great-grandparent’s savory roasts, buttery-flaky pastries and greasing pans, beef tallow is making an unexpected return to households — marketed as a wellness superstar.Like other solid cooking fats such as butter and coconut oil, beef tallow is made up primarily of saturated fat. Tallow also contains monounsaturated and polyunsaturated fats, which are considered healthier. Conjugated linoleic acid (CLA) is one polyunsaturated omega-6 fat found in animal fats and linked to potential health benefits