3 1/2 c. lg. red plums (about 16 lg.)
1/2 c. lemon juice
7 1/2 c. sugar
1/2 bottle pectin
1/4 c. rum

Crush fruit in blender. Add sugar and bring to boil. Simmer, covered 5-10 minutes. Stir often. Boil hard for 1 minute. Remove from heat, stir in pectin, then rum. Stir to cool for 5 minutes.