Ingredients
Method
Prep the Berries:
- Wash and drain blueberries. Ensure they are ripe but not overly soft. If using frozen, make sure they are fully thawed and drained.
Sterilize Jars:
- Clean jars and lids by boiling them in water for 10 minutes. Keep them warm until ready to fill.
Make the Filling Base:
- In a large pot, mix sugar, clear Jel, and cinnamon (if using). Add water and stir continuously over medium heat until the mixture thickens and begins to bubble.
Cook the Blueberries:
- Add the blueberries to the pot and gently stir. Bring the mixture to a gentle boil and cook until the blueberries are evenly heated and the filling is thick.
Add Lemon Juice:
- Stir in the lemon juice to balance the flavor and ensure proper acidity for safe canning.
Fill the Jars:
- Ladle the hot filling into the sterilized jars, leaving 1/2-inch headspace at the top. Run a non-metallic spatula around the inside to remove air bubbles. Wipe the rims clean and seal the jars with lids.
Process the Jars:
- Process the jars in a boiling water bath for 30 minutes (adjust for altitude as needed). Ensure at least an inch of water covers the jars.
Cool and Store:
- Remove jars and let them cool undisturbed for 12-24 hours. Check that lids have sealed (they should make a "ping" sound). Store in a cool, dark place for up to 18-24 months.
Notes
- Clear Jel: Clear Jel is recommended for better stability during canning and reheating. If using cornstarch, be cautious not to over-thicken the mixture.
- Storage: Ensure proper jar sealing. Unsealed jars should be refrigerated and used within a week.
- Customization: You can adjust spices such as cinnamon or add nutmeg for additional warmth.