A simple and forgiving freezer jam recipe using fresh or frozen black raspberries, sugar, and lemon juice, with no pectin required. Perfect for preserving summer flavors with a fresh, fruity punch and homemade texture.
Use ripe but firm black raspberries for best texture. Do not over-mash to keep some berry bits. Let the jam rest for 10 minutes after mixing to activate natural pectin. Avoid overheating or cooking the berries to preserve fresh flavor. Stir jam if liquid separates after thawing. Sterilize jars to prevent mold if storing in fridge after thawing. Avoid metal lids for freezing to prevent rust.
Keywords: black raspberry jam, freezer jam, no pectin jam, easy jam recipe, homemade jam, summer preserves, vegan jam, gluten-free jam