A delightful homemade preserve combining the sweet and tangy flavors of blueberries and lemons.
Sterilize the jars and lids by boiling them in water for 10 minutes.
Ensure the jars are completely submerged in water for proper sterilization.
Combine the blueberries, sugar, lemon zest, and lemon juice in a large saucepot.
Mash the blueberries slightly to release their juices for a smoother consistency.
Bring the mixture to a rolling boil over high heat, stirring frequently.
Keep stirring to prevent the mixture from sticking to the bottom of the pot.
Stir in the pectin and boil hard for 1 minute.
Ensure the pectin is fully dissolved for proper setting.
Remove from heat and skim off any foam if necessary.
Skimming the foam ensures a clearer preserve.
Ladle the hot mixture into sterilized jars, leaving a 1/4 inch headspace.
Use a funnel to avoid spilling the mixture on the jar rims.
Seal the jars and process them in a boiling water canner for 15 minutes.
Adjust processing time based on your altitude for safe preservation.
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