Blueberry-Lemon Jam - cooking recipe

Ingredients

4 1/2 cups blueberries
6 1/2 cups sugar
2 teaspoons lemons, rind of, grated
1/3 cup lemon juice
2 (3 ounce) envelopes liquid fruit pectin (Ball Fruit Jell)

Preparation

Prepare jars and lids according to manufacturer's instructions.
Combine blueberries, sugar, lemon peel, and lemon juice in a large saucepot.
Bring to a rolling boil over high heat; stir frequently.
Stir in pectin.
Boil hard for 1 minute.
Remove from heat and skim foam (if necessary).
Immediately ladle into hot jars, leaving a 1/4 inch headspace.
Cap and process for 15 minutes in a boiling water canner.