Imagine a giant cheese crisp in TACO form! To make keto cheese taco shells, shredded mozzarella gets slowly melted and toasted in a skillet until crisp and caramelized before being flipped for a final ...

IRVINE, Calif.— A team at Taco Bell has been working, for nearly a decade, to invent a taco shell made entirely of cheese. Its market research shows consumers are into the idea, and past inventions, ...