4 leftover frittata using leftover Recipes

prepared pizza, chopped into 1/2 inch cubes, olive oil, fresh baby spinach, roughly chopped, garlic clove, minced, eggs, beaten, sharp cheddar cheese, black pepper, grated parmesan cheese

vegetables, sauteed , such as onions, spinach, zucchini, broccoli (great way to use leftovers) or 1 cup tomato, chopped or sliced, egg, egg whites, salt and pepper, parmesan cheese or 1 tbsp feta, crumbled, grated

zucchini, sliced, diced onion, fresh garlic, minced fine, cooked white rice (a good use for leftover rice), egg substitute or 1 cup egg white, grated parmesan cheese, grated mozzarella cheese, extra virgin olive oil, salt (roughly 1/4 tsp), ground pepper