Cooked Concord Grape Jam - CERTO Crystals

• 6 cups prepared Concord grapes (buy about 4 lb./1.8 kg Concord grapes)
• 1 cup water
• 1 box Certo Pectin Crystals
• 7-1/2 cups sugar

1. Slip skins from grapes.
2. Finely chop skins; set aside.
3. Combine grape pulp and water in saucepan.
4. Bring to boil; cover.
5. Simmer 5 min.
6. Press cooked pulp through sieve to remove seeds.
7. Combine pulp and skins.
8. Measure exactly 6 cups prepared grapes into large saucepan.
9. Add pectin crystals; mix well.
10. Bring to full rolling boil on high heat.
11. Add sugar; mix well.
12. Return to full rolling boil; cook 1 min., stirring constantly.
13. Remove from heat.
14. Stir and skim foam for 5 min.
15. to prevent fruit from floating to surface.
16. Pour immediately into warm sterilized jars, filling to within 1/4 inch of rims.
17. Cover with lids.
18. Let stand at room temperature 24 hours or until set.

grapes, water, crystals, sugar

Taken from www.kraftrecipes.com/recipes/cooked-concord-grape-jam-certo-crystals-182294.aspx (may not work)