Omelette Souffle

Break six eggs, beat the yelks and whites separately till very light, then mix them, add four table spoonsful of powdered sugar, and a little grated lemon peel; put a quarter of a pound of butter in a pan; when melted, pour in the eggs and stir them; when they have absorbed the butter, turn it on a plate previously buttered, sprinkle some powdered sugar, set it in a hot Dutch oven, and when a little brown, serve it up for a desert.