Ball Blue Book Plum Jam - cooking recipe

Ingredients

6 cups plums, pitted and chopped
3/4 cup water
7 cups sugar
1 tablespoon lemon juice
1 (1 3/4 ounce) package dry pectin

Preparation

Never double canning recipe!
Combine plums, water, lemon juice, and pectin in a large sauce pot. Bring to a rolling boil over high heat, stirring constantly.
Add sugar; return to a rolling boil. Boil hard 1 minute, stirring constantly.
Pour hot into hot jars, leaving 1/4\" head space. Adjust caps.
Process 10 minutes in boiling water bath.
Brandied Plum Jam: add 1 cup brandy to fruit mixture.
Plum Orange Spice Jam: add zest from 1 orange, 1/2 tsp cinnamon, and 1/2 tsp nutmeg to fruit mixture.