Ingredients
Equipment
Method
Step-by-Step Instructions
- Sterilize jars by placing them in a pot of simmering water for 10 minutes.
- Mash blackberries in a pot until they release their juice, about 5 minutes.
- If desired, strain mashed berries through a fine-mesh sieve to remove seeds.
- Return strained juice or mashed berries to the pot and add sugar and lemon juice.
- Boil the mixture, stirring constantly until sugar dissolves, for about 10 minutes.
- Test for doneness using a candy thermometer or cold plate test.
- Ladle hot jam into prepared jars, leaving ¼ inch headspace, then seal.
- Cool jars completely and store in the refrigerator, freezer, or process for canning.
Nutrition
Notes
Always ensure jars are properly sterilized to prevent spoilage. Adjust sugar carefully for best gelling results.
