A simple recipe for homemade blueberry jam, perfect for canning or enjoying fresh. This small-batch recipe can be made with or without pectin and includes a hint of vanilla and lemon.
Author:ellievance
Prep Time:15 min
Cook Time:20 min
Total Time:35 min
Yield:4 half-pint jars 1x
Category:Preserves
Method:Stovetop
Cuisine:American
Diet:Vegetarian
Ingredients
Scale
4 cups fresh or frozen blueberries
2 cups granulated sugar (adjust to taste for low-sugar option)
1/4 cup lemon juice
1 teaspoon vanilla extract
Optional: 1/4 cup pectin (if using for a firmer set)
Instructions
Combine blueberries, sugar, and lemon juice in a large pot.
If using pectin, stir it in now.
Cook over medium-high heat, stirring constantly, until the mixture comes to a rolling boil that cannot be stirred down.
Boil for 1 minute, stirring constantly.
Remove from heat and stir in the vanilla extract.
Skim off any foam from the surface.
If canning, ladle hot jam into sterilized jars, leaving 1/4 inch headspace. Process in a water bath canner according to manufacturer’s instructions.
If not canning, let cool completely, then store in the refrigerator.
Notes
For a low-sugar jam, use a sugar substitute or reduce the sugar to 1 cup. The jam may be softer.
This recipe makes approximately 3-4 half-pint jars.
Ensure your jars and lids are properly sterilized if canning.