Beat the eggs lightly with a fork. Stir in the parsley and season to taste with salt and pepper.
Cut the red pepper into thin strips .
Heat the oil or butter in a small frying pan, then set the hob to a low temperature.
Pour in the egg, then tilt the pan around to allow the eggs spread out evenly.
When the surface of the egg is jelly-like, add the pepper and crumble the feta on top.
Fold the omelette in half and cook for a minute. If you like it well cooked flip it and cook for another minute.
Serve warm.