Steps
1. In a bowl, beat the eggs and season with salt and pepper.
2. Melt butter in a non-stick skillet over medium heat.
3. Pour the beaten eggs into the skillet and let it cook for a minute.
4. Sprinkle cheese, turkey, and ketchup over one half of the omelette.
5. Fold the other half over the filling and cook until the cheese melts.
6. Slide the omelette onto a plate and serve hot.