Preparation time: 5 minutes
Cooking time: 15 minutes

1. In a skillet, sauté the onion in a few tablespoons of oil until it is transparent;
2. season the beaten eggs with salt and pepper; add the sweet pepper and the onion; cook the mixture in the skillet on both sides until it is still slightly runny inside ("alla lacrima");
3. slide the omelette onto a oven-proof plate; sprinkle the diced cheese over top; place in a 300° F (150° C) oven until the cheese is melted;
4. sprinkle with chopped parsley and serve hot.