Detailed instructions for cooking onion omelette: 1. Peel the onions and cut into thick strips; beat the eggs to make egg liquid, set aside. 2. Heat the pan, pour in 2 tablespoons of salad oil, add the egg liquid from step 1 and stir-fry until solidified, then set aside. 3. In the same pan used in step 2, pour in 1 tablespoon of salad oil, add the onion strips from step 1 and stir-fry until softened. 4. Add water to the pan from step 3 and stir briefly... (it seems like the original text got cut off)