Frittatas are famous for being healthy, easy ways to use up leftover cooked meats and vegetables, so you don’t have to follow this recipe’s suggestions for fillings. If you have leftovers like ground beef, cooked bacon, odds and ends of cheese, or sauteed peppers lying around, throw them in (grate the cheese first, and pre-cook any raw meat)! To make this vegetarian, sub in plant-based chorizo or leave it out entirely. This content is only available to members.