Certo Cooked Blueberry Jam Recipes

CERTO® BLUEBERRY JAM

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 blueberries thoroughly, one layer at a time. Measure exactly 4-1/2 cups prepared blueberries into 6- or 8-qt. saucepot. Stir in lemon juice.
• Stir sugar into prepared blueberries 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. 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 1/4 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 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.)

LUSCIOUS BLUEBERRY JAM

Steps:

• Rinse five 1-cup plastic or freezer-safe containers and lids with boiling water. Dry thoroughly. Mash blueberries; transfer to a Dutch oven. Add lemon juice; stir in pectin. Bring to a full rolling boil over high heat, stirring constantly., Stir in sugar; return to a full rolling boil. Boil for 1 minute, stirring constantly. Remove from the heat; skim off foam. Ladle into containers and cool to room temperature, about 1 hour. , Cover and let stand overnight or until set, but not longer than 24 hours. Refrigerate for up to 3 weeks or freeze for up to 12 months.

BLUEBERRY JAM

Steps:

• Thaw and drain blueberries.
• Crush blueberries one layer at a time.
• Combine 3 cups crushed blueberries and lemon juice in a large saucepot.
• Stir in Fruit Jell pectin.
• Bring mixture to a boil, stirring constantly.
• Add sugar, stirring to dissolve.
• Return mixture to a rolling boil.
• Boil hard 1 minute, stirring constantly.
• Remove from heat.
• Skim foam if necessary.
• Preserve It-.
• Ladle hot jam into hot "Ball" 8-oz jelly jar to 1/4 inch below rim.
• Wipe jar rim clean.
• Place lid on jar and tighten band, just until a point of resistance is met.
• Process 10 minutes in a boiling-water canner.
• Cool for 12 to 24 hours.
• Remove bands.
• Lids should be concave in middle.
• Yield: About 6 half pints.

CERTO BLUEBERRY FREEZER JAM

Steps:

• Rinse clean plastic containers and lids with boiling water. Dry thoroughly.
• Stem and crush blueberries thoroughly, one layer at a time. Measure exactly 2 cups prepared fruit into large bowl. Stir in sugar. Let stand 10 min., stirring occasionally.
• Mix pectin and lemon juice in small bowl. Add to prepared fruit mixture in large bowl; stir 3 min. or until most of the sugar is dissolved and no longer grainy. (A few sugar crystals may remain.)
• Fill all containers immediately to within 1/2 inch of tops. Wipe off top edges of containers; immediately cover with lids. Let stand at room temperature 24 hours. Jam is now ready to use. Store in refrigerator up to 3 weeks or freeze extra containers up to 1 year. If frozen, thaw in refrigerator before using.

BLUEBERRY FREEZER JAM

Steps:

• Stir sugar and blueberries together in a bowl; let stand for 10 minutes, stirring occasionally.
• Stir lemon juice and pectin together in a separate small bowl; add to blueberry mixture. Stir constantly until sugar is completely dissolved and no longer grainy, about 3 minutes.
• Sterilize the jars and lids in boiling water for at least 5 minutes. Pack the blueberry into the hot, sterilized jars, filling the jars to within 1/2 inch of the top. Run a knife or a thin spatula around the insides of the jars after they have been filled to remove any air bubbles. Wipe the rims of the jars with a moist paper towel to remove any food residue. Top with lids, and screw on rings. Let stand at room temperature for 24 hours until set.
• Refrigerate for up to 3 weeks or freeze for up to 1 year. Thaw in refrigerator.

EASY SMALL-BATCH BLUEBERRY JAM

Steps:

• Mix blueberries, sugar, lemon juice, and cinnamon in a saucepan; cook, stirring constantly, over medium heat until thickened, about 30 minutes.