Leftovers are usually the best bit of a meal, if you use them well. A frittata is a really tasty and interesting way to use up cooked veg, leftover roast meats, salad veg or almost anything! Essentially a posh omelette, a frittata should hold its shape from the pan and have a topping of melted cheese. There are so many combinations, with or without meat, that you should have plenty…
