SURE.JELL STRAWBERRY BANANA JAM

SURE.JELL Strawberry Banana Jam image

Provided by @MakeItYours

Number Of Ingredients 5

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4-3/4 cups prepared fruit (about 2 quarts fully ripe strawberries and 3 fully ripe medium bananas)
3 Tbsp. fresh lemon juice
1 box SURE-JELL Fruit Pectin
1/2 tsp. butter or margarine (optional)
6-3/4 cups sugar, measured into separate bowl (See tip below.)

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 well before filling.
STEM and crush strawberries thoroughly, one layer at a time. Measure exactly 3-1/4 cups prepared strawberries into 6- or 8-quart saucepot. Mash bananas thoroughly. Measure exactly 1-1/2 cups prepared bananas into strawberries in saucepot. Stir in lemon juice.
STIR pectin into fruit in saucepot. Add butter to reduce foaming, if desired. Bring mixture to full rolling boil (a boil that doesn't stop bubbling when stirred) on high heat, stirring constantly.
STIR in all sugar quickly. Return to full rolling boil and boil exactly 1 minute, stirring constantly. Remove from heat. Skim off any foam with metal spoon.
LADLE quickly 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 needed. Cover; bring water to gentle boil. Process 10 minutes. Remove jars and place upright on a towel to cool completely. After jars cool, check seals by pressing middle of lid with finger. (If lid springs back, lid is not sealed and refrigeration is necessary.)