How to Make Jam: Beginner's Guide to Making Jam The Old Farmer's Almanac
Process according to your recipe, only counting time after the water is boiling. Turn off heat, remove the lid, and wait at least 10 minutes. Remove the jars and place on a rack or kitchen towel on the counter. Cool jars for 12 to 24 hours, then check the seals. Label and store your jars to enjoy all year.