Posted on September 29, 2008 by graybolinks for 2008-09-29 National Center for Home Food Preservation | How Do I? Jam and Jelly I've passed the sheet test. Hurrah! (tags: jam jelly advice food) Jam Making – Making Jam and Jelly at Home – Ingredients, Fruit and Pectin How handy. I'm rather hoping that the addition of the juice of half a lemon will make my not-particularly-promising crab apple jelly set. (tags: food jam jelly pectin advice fruit)