Blueberry Chardonnay Jam - cooking recipe

Ingredients

5 cups fresh blueberries
2 cups Chardonnay wine
1 (1 3/4 ounce) box regular powdered fruit pectin
1 tablespoon lemon juice
1 tablespoon butter
5 1/2 cups sugar

Preparation

Put berries in 6 quart heavy pot. Coarsely crush berries. Stir in all ingredients except sugar.
Bring to full rolling boil over high heat, stirring constantly. Add sugar.
Return to full rolling boil for 1 minute, stirring constantly.
Remove from heat, skim off foam with metal spoon.
Ladle hot jam into hot, sterilized 1/2 pint canning jars, leaving 1/4 headroom. Wipe jar rims. Add lids.Process in boiling water canner for 5 minutes. Start timing when water returns to boil.