Break the eggs into a bowl.
Season to taste with salt, pepper. Add Parmesan cheese.
Beat the eggs with a fork until mixed well.
Heat a large frying pan over medium heat.
Add the butter and allow it to melt and color slightly. It should almost be like turning to ghee. Add the beaten eggs.
Drizzle some oil on the sides and leave the eggs to cook.
Add the cheese over the surface.
Fold the omelette into thirds and flip it onto a heated serving plate.