Pear Jam - Rissa Clarke's recipe

8 qts pears peeled & slice very thin (32 cups)
6 quarts sugar (24 cups)
4 cups cruxhed pinapple plus juice
2 oranges (ground in food processor or blender) including rind
1 pint marachino cherries drained & cut in half & drained 24 hours

Slice pears very thin. Combine pears, pinapple, oranges & pour sugar over. Stir well. Cover mixture & sit on counter for 24 h ours. Stir occasionally. Cook in 2 batches until clear about 15-20 minutes. Add th cut Marachino cherries. Let come to a boil after the cherries have been added. Then bottle & cook in hot water bath about 10 minutes.