Cut the chicken breast sausage into bite-sized pieces.
Chop the onion and bell pepper.
Crack the eggs into a bowl, beat well, and season with salt and pepper.
Heat cooking oil in a pan and stir-fry the chicken breast sausage and vegetables.
Place the cooked ingredients in the center of the pan and pour the beaten eggs over them.
Once the eggs are cooked, fold them into an omelette shape.
Transfer the finished omelette to a plate and serve.