1/2 cup flour, 1 egg, 1/4 cup lukewarm water, 1 dessertspoonful of melted butter or salad oil, a pinch of salt, apples.
Mix the flour with the yolk of the egg, add butter or oil, and gradually the milk. Just before using, beat the egg white to a stiff froth with a pinch of salt and mix into the batter. Peel the apples thinly, remove the cores, and cut into rings about 3/4 inch thick. Dip into the batter and fry in deep hot fat till a golden brown. Drain on brown paper and sprinkle with castor sugar.
Make a batter of 1 cup milk, 2 cups flour, 1 1/2 teaspoons baking powder, 2 eggs beaten separately, 1/2 teaspoon salt and a tablespoon sugar. Mix to a smooth batter, add slices of sour apple and fry in boiling hot fat. Drain on paper and serve hot.