Blanch three-quarters of a pound of shelled sweet almonds, and bruise them fine in a mortar, but not to a smooth paste as for maccaroons. Add, as you pound them, a little rose-water. Beat to a stiff froth the whites of four eggs, and then beat in gradually a pound of powdered loaf-sugar. Add the juice of a lemon. Then mix in the pounded almonds. Flour your hands, and make the mixture into little cones or pointed cakes. Spread sheets of damp, thin, white paper on buttered sheets of tin, and put the rock cakes on it, rather far apart. Sprinkle each with powdered loaf-sugar. Bake them of a pale brown, in a brisk oven. They will be done in a few minutes.
When cold, take them off the papers.