Blueberry Jam
By: Kevin Tu
Published: Friday, December 10, 2010 - 1:02am

Ingredients




4 cups Blueberries, crushed
2 teaspoons Lemon Juice
4 cups Sugar
1 box Pectin, fruit
1/2 teaspoon Butter

Preparation

1 Remove stems and crush berries before measuring the 4 cups. 2 Boil jars on rack in large pot filled with water 10 minutes. 3 Place flat lids in saucepan with water. Bring to boil; remove from heat. 4 Let stand in hot water until ready to fill. Drain well. 5 In 8 quart pot combine crushed blueberries and lemon juice. 6 Measure sugar in separate bowl. (Scrape extra sugar from cup with spatula to level for exact measure.) 7 Add fruit pectin and butter to fruit. Bring mixture to full rolling boil over high heat, stirring constantly. 8 Quickly add sugar to fruit mixture. Bring to full rolling boil and boil 1 minute, stirring constantly. 9 Remove from heat. Skim off any foam. 10 Fill all jars quickly to 1/8" of tops. Wipe jar rims. Cover quickly with flat lids. Screw bands tightly. 11 Invert jars for 5 minutes, then turn upright. After 1 hour check seals. 12 Or use water bath method. 13 Makes 5 Cups