TRIPLE BERRY JAM

TRIPLE BERRY JAM image

Yield 16 4 oz jars

Number Of Ingredients 4

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4 cups prepared fruit (buy about 1 qt. fully ripe strawberries and 1 pt. each fully ripe red raspberries and blackberries)
7 cups sugar, measured into separate bowl
1/2 tsp. butter or margarine
1 pouch Certo or Sure Jell fruit pectin (Use low sugar pectin and jam will aways set.)

Steps:

BRING boiling-water canner, half full with water, to simmer. Wash jars and screw bands in hot soapy water; rinse with warm water. Pour boiling water over flat lids in saucepan off the heat. Let stand in hot water until ready to use. Drain jars well before filling. STEM and crush strawberries thoroughly, one layer at a time. Measure exactly 2 cups prepared fruit into 6- or 8-qt. saucepot. Crush raspberries thoroughly, one layer at a time. Measure exactly 1 cup into strawberries in saucepot. Crush blackberries thoroughly, one layer at a time. Measure exactly 1 cup into berries in saucepot. STIR sugar into prepared fruit in saucepot. Add butter to reduce foaming. Bring to full rolling boil (a boil that doesn't stop bubbling when stirred) on high heat, stirring constantly. Stir in pectin quickly. Return to full rolling boil and boil exactly 1 min., stirring constantly. Remove from heat. Skim off any foam with metal spoon. LADLE immediately into prepared jars, filling to within 1/8 inch of tops. Wipe jar rims and threads. Cover with two-piece lids. Screw bands tightly. Place jars on elevated rack in canner. Lower rack into canner. (Water must cover jars by 1 to 2 inches. Add boiling water, if necessary.). Cover; bring water to gentle boil. Process 10 min. Remove jars and place upright on a towel to cool completely. After jars cool, check seals by pressing middles of lids with finger. (If lids spring back, lids are not sealed and refrigeration is necessary.)