cook. sprinkle with a generous pinch of kosher salt and pepper, and do not stir. once the sides of the omelette are cooked, add half the cheese.
as the cheese begins to melt, use a spatula to fold over one edge and begin to roll the omelette, adding an additional pat of butter to the pan after the first roll. continue to roll and slide onto a serving plate. top with any butter remaining in the pan and additional kosher salt and pepper, to taste. 