A simple dish high in protein.
Beat the eggs and season with salt and pepper.
Prepare mozzarella cheese and chopped vegetables.
Preheat a pan with butter or cooking oil.
Pour the egg mixture into the pan and cook over medium-low heat.
Place mozzarella cheese and vegetables on top of the eggs.
Fold the omelette into a half-moon shape.
Cook on low heat until the cheese melts.
Serve on a plate and enjoy.