3 cups blueberries
2 tbsp. lemon juice
1 box Certo crystals
2 1/2 cups white sugar

Crush berries and combine with lemon juice and Certo in 2 quart glass dish. Cover.
Cook on high for 7-9 minutes or until mixture is at full boil.
Stir. Add sugar and stir well.
Cook on high for 3-4 minutes or until jam has boiled for a full minute, stirring once.
Stir and ladle into sterilized jars and seal.