Summer fruit jam recipe

3 c Chopped sweet cherries
3 c Crushed gooseberries
3 c Crushed red currants
2 1/2 c Crushed raspberries
7 c Sugar
Combine fruits, bring to boil and cook 15 minutes. Add sugar and stir to dissolve. Bring mixture to boil. Boil, uncovered to jam stage (104C), about 15 minutes. When jam stage is reached, remove from heat. Stir and skim 5 minutes. Pour into hot sterilized jars, seal, process in boiling water bath - 10 minutes. Makes about 10 - 8oz jars.