Sponge Biscuits.—(No. 66.)
Break into a round-bottomed preserving-pan379-* nine good-sized eggs, with one pound of sifted loaf sugar, and some grated lemon-peel; set the pan over a very slow fire, and whisk it till quite warm (but not too hot to set the eggs); remove the pan from the fire, and whisk it till cold, which may be a quarter of an hour; then stir in the flour lightly with a spattle; previous to which, prepare the sponge frame as follows:—Wipe them well out with a clean cloth, rub the insides with a brush dipped in butter, which has been cla[380]rified, and sift loaf sugar over; fill the frames with the mixture; throw pounded sugar over; bake them five minutes in a brisk oven: when done, take them from the frames, and lay them on a sieve.