Wash and wipe good tart apples. Cat them in quarters or, better, eighths, but do not pare them. Stew them in half their bulk of water, - that is, if you have four quarts of cut apples, put in two quarts of water, - until the skins as well as the pulp are perfectly soft. No definite time can be given, because that depends upon the kind and ripeness of the fruit. When done, turn them into a jelly-bag and drain until the juice is all out. Measure it, and for each cup add a cup of sugar, one clove, and one square inch of thin lemon-peel. Simmer gently for half an hour, then test it, to see how near the jellying-point it is, by taking out a little into a cool saucer. With some kinds of apples it will be done in that time, with others it will take an hour or more longer. When a little becomes firm on cooling, remove the whole immediately from the fire, skim it, and strain it into jars or tumblers which have been thoroughly washed in soap and water, and have been standing in boiling water for some minutes.

When the jelly is cool, pour over the surface a thin coating of melted paraffin, let it harden, then pour in another; for, as the first hardens, it may crack or shrink from the sides and leave spaces where ferments may enter ; in other words, the jars need to be made air-tight - not that the air does mischief, but because it contains the organisms which, on entering the jelly, cause by their growth the various fermentative changes known to occur in fruits. The object then will be to exclude all micro-organisms.

There are other ways of sealing jelly than by the use of paraffin, as, for instance, with paper soaked in alcohol, or coated with oil ; but paraffin, if properly-used, is a sure, easy, and economical means.

A wad of sterilized cotton batting, packed into the mouth of the jar or tumbler, like a stopper, is sometimes employed, but it is not as effectual as the paraffin; for that, being poured in hot, sterilizes the surface of the jelly, thus killing any organisms that may have lodged upon it during the cooling. Organisms cannot go through batting; but, though it may be properly sterilized, it cannot be packed over the jelly until it has become firm, and during the time ferments may have settled upon it. Paraffin is a most satisfactory means of preserving jelly, and the only precaution necessary in using it is to put on two layers, the second one two or three hours after the first, or when all contraction has ceased.