Egg white omelette refers to omelets which are made using only the white portion of eggs. Egg white omelette is one of the healthiest eggs dishes consumed by people all around the world. This dish is mostly consumed for breakfast, but it can be consumed at any time of the day throughout the year. The main ingredients used to make this dish include egg whites, oil and onions. Often tomatoes and pepper are added to Egg white omelettes to make it even more delicious.