Sift 1 pint of flour with 1 teaspoonful of baking-powder; beat three yolks of eggs with a pinch of salt; add 1 pint of cream and 1 tablespoonful of melted butter. Stir in the flour; add the whites beaten to a stiff froth. Beat all well together. Fill the muffin-rings ½ full and bake in a quick oven for twenty minutes.