1: Beat the eggs in a bowl and season with salt, black pepper, and red chili flakes.
2: Heat oil in a pan over medium heat.
3: Add the chopped veggies to the pan and sauté for a few minutes.
4: Pour the beaten eggs over the veggies and cook until the edges set.
5: Add mozzarella cheese on top and fold the omelette in half.
6: Cook until cheese is melted and the omelette is fully cooked.