I made this jam a couple weeks ago with some fresh raspberries I picked. It was AMAZING! The key is taking the time to make the jam WITHOUT added pectin.
Old-Fashioned Raspberry Jam (www.epicurious.com)
by Eleanor Topp and Margaret Howard
The Complete Book of Year-Round Small-Batch Preserving
6 cups raspberries
2 1/2 cups granulated sugar
1. Place berries in a large stainless steel or enamel saucepan. Bring to a full boil or high heat, mashing berries with a potato masher as they heat. Boil hard for 1 minute, stirring constantly.
2. Add sugar, return to a rolling boil, and boil until mixture will form a gel, about 5 minutes. (To determine when the mixture will form a gel, dip a cool metal spoon into the hot fruit. Immediately lift it out and away from the steam and turn it horizontally. At the beginning of the cooking process, the liquid will drip off in light, syrupy drops. Try again a minute or two later- the drops will be heavier. The jam is done when the drops are very thick and two run together before falling of the spoon)
3. Ladle into sterilized jars and process in hot water canner (with boiling water) for 5 minutes. Allow jars to sit in the canner for approximately 15 minutes prior to removing them. Once removed, place jars in a draft free location to cool completely.