Crack the eggs into a mixing bowl, season with a pinch of sea salt and black pepper, then beat well with a fork until fully combined.
Place a small non-stick frying pan on a low heat to warm up.
Grate the cheese onto a board and set aside.
Add ½ tablespoon of oil to the hot pan, then carefully pour in the eggs.
Tilt the pan to spread them out evenly, using a fork to swirl the eggs around the pan a little

When the omelette begins to cook and firm up, but still has a little raw egg on top, sprinkle over the cheese.
Using a spatula, ease around the edges of the omelette,
When it starts to turn golden brown underneath, remove the pan from the heat and slide the omelette onto a plate.