Description
A traditional blackberry jam recipe made without added pectin, using only blackberries, sugar, and lemon juice for a thick, flavorful preserve that captures the taste of summer.
Ingredients
Scale
- 6 cups fresh blackberries
- 1–1½ cups granulated sugar (adjust to taste)
- 1 tablespoon bottled lemon juice
Instructions
- Rinse blackberries gently, removing stems and leaves. Pat dry.
- Add berries, sugar, and lemon juice to a heavy-bottomed pot. Gently crush with a fork or masher.
- Heat mixture over medium heat, stirring frequently as it foams.
- Bring to a boil, then reduce to medium-low and simmer for about 20 minutes, stirring occasionally.
- Test doneness: at 221°F (104°C) or use wrinkle test on chilled plate.
- Transfer jam to sterilized jars for canning or clean containers for refrigeration or freezing.
Notes
Use a few underripe berries for natural pectin boost. Always add lemon juice for flavor balance and proper gel formation.
- Prep Time: 10 minutes
- Cook Time: 20-30 minutes
- Category: Preserves
- Method: Stovetop
- Cuisine: Traditional
Nutrition
- Serving Size: 2 tablespoons
- Calories: 128kcal
- Sugar: 30g
- Sodium: 0mg
- Fat: 0.3g
- Saturated Fat: 0g
- Unsaturated Fat: 0.3g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 3g
- Protein: 1g
- Cholesterol: 0mg