Savory Jelly.
Take the liquor, when cold, that either poultry or meat was braised in, or some veal stock, taking care it be very free from fat. Make it warm, and strain it through a tamis sieve into a clean stewpan; then season it to the palate with salt, lemon pickle, cayenne pepper, and tarragon or plain vinegar. Add a sufficient[181] quantity of dissolved isinglass to make it of a proper stiffness, and whisk into it plenty of whites of eggs, a small quantity of the yolks and shells, and add a little liquid of colour. Then set it over a fire, and when it boils let it simmer a quarter of an hour, and run it through a jelly bag several times till perfectly bright.