Plum Jam

Directions

1. 1
   Rinse plums and remove pits.
2. 2
   Finely chop to make 4 cups.
3. 3
   Place plums in 4 quart pot; stir in sugar until well blended.
4. 4
   Let stand one hour.
5. 5
   Wash 4 half pint jars.
6. 6
   Keep hot until needed.
7. 7
   Prepare lids as manufacturer directs.
8. 8
   Bring plum mixture to boil over medium heat; stirring frequently.
9. 9
   Continue cooking uncovered and stirring occasionally, until thickened, about 20 minutes.
10. 10
    Ladle hot jam into one hot jar at a time; leaving 1/4-inch head space.
11. 11
    Wipe jar rim with a clean, damp cloth.
12. 12
    Attach lid.
13. 13
    Fill and close remaining jars.
14. 14
    Process in boiling water bath for 10 minutes at sea level altitude.