Omelette Serve with toast Ingredients › 20 ml of vegetable oil › 1 small onion, finely chopped › 4 eggs › 20 ml of water or low-fat milk › pinch of salt if desired › pepper Method 1. Heat the oil in a frying pan and fry the onion gently until it is cooked 2. Beat the eggs into a bowl, add the water or milk, salt and pepper and pour into the pan over the onion 3. Spread the mixture around the frying pan and cook until the eggs are set and come away from the edge of the frying pan 4. Turn the omelette carefully to cook on the other side If a bigger omelette or more portions are needed: increase the amount of eggs and onion, fry the mixture gently for a couple of minutes and complete cooking under the grill.