Firstly for the pizza omelette:Fry the onion and mushrooms in a pan with 1 tsp oil until cooked. Beat the egg whites in an electric mixer until frothy, now add the yolks and mix gently , season with salt and pepper. Pour this mixture over to a microwave safe pan , top with the mushrooms , tomatoes, onions , green chillies and cheese over the top. also add some olives .Cook for 5 mins on a microwave, until the cheese melted and bubbling.