This article was originally published on Hubpages in July 2010. Why Make Jam? Preserving fruits is easy. It is a traditional kitchen skill which can create a store of long-life foods which taste delicious, look good, and are totally free of artificial colours and synthetic additives. Add a pretty cloth lid over the metal one, and a pot of homemade jam can make a handy last-minute gift. Harvest fruits from the hedgerow - away from roads, to avoid fruits which may have absorbed toxins from exhaust fumes - or grow fruits in your own garden as we do, and the only financial expenditure will be sugar and whatever fuel you use during the cooking process. Making jam is a great way to save money. Re-cycle old glass jars with screw-on metal lids. Wash jars and lids thoroughly, then rinse in clean water. When you start your jam-making session, spread them out on a baking tray and put them into a cold oven. Raise the temperature to 100 degrees and leave them like that for half-an-hour to ste...