Separate the eggs. Mix the salt, pepper, baking powder, cornstarch and milk with the yolks of the eggs. Beat the whites until light, though not dry and mix in well with the yolks. Put into a greased iron frying pan and cook slowly until well puffed up. When thoroughly cooked dry out out in the oven, fold over in half and serve immediately. If tomoato sauce is desired, use the following recipe: