Grape Jam

Directions

1. 1
   Remove the skins from the pulp and set them aside.
2. 2
   Place grape pulp in stainless jelly pot with water.
3. 3
   Bring to boil and simmer 5 minutes.
4. 4
   Strain to remove the seeds.
5. 5
   Chop the skins and add to the cooked pulp.
6. 6
   Measure out 5 cups of the grape pulp mixture and return the pulp to jelly pot.
7. 7
   Add sugar and butter.
8. 8
   Heat on medium heat until sugar is melted, then adjust to high heat.
9. 9
   Heat and stir to full rolling boil that will not stop.
10. 10
    Add 1 pouch Certo and return to full rolling boil at high heat.
11. 11
    Boil exactly one minute stirring constantly.
12. 12
    Fill jars to 1/8 inch from the top.
13. 13
    Seal with lids.
14. 14
    Invert jars for 5 minutes.