4.7 from 117 votes
Blackberry Jam - Without Pectin
This Blackberry Jam recipe uses fresh blackberries, lemon juice, and granulated sugar simmered until it gels naturally, without added pectin. The jam develops a balance of sweet and tart flavors with a rich berry texture. It offers a homemade preserve option that can be canned, refrigerated, or frozen, making it versatile for different storage preferences.
Cook Time
45 mins
Total Time
45 mins
Servings:
18
oz
Calories:
128 kcal
Course:
Condiments
Ingredients
- 6 cups blackberry fresh
- 1 tablespoon lemon juice bottled
- 1 - 1 1/2 cups granulated sugar
Instructions
- Add berries, lemon juice, and sugar to a large pot and heat to medium. Use a fork or a potato masher to gently mash down the berries to release some of their jucies.
- Heat on medium, bring to a gentle boil, and then turn the heat down to medium-low to simmer. The berries will foam, just stir occasionally to reduce the foam.
- Let simmer until the jam begins to gel, or when the temperature of the jam reaches 221° F.
- Add to canning jars and can with a water bath or store in fridge or freezer.
Cup of Yum
Notes
- Store refrigerated jam in airtight containers for up to 3-4 weeks.
- Freeze jam in freezer-safe containers for up to 3 months without loss of quality.
- For long-term storage, can the jam safely using water bath methods and store in a cool, dry place for up to 1 year.
- Frozen blackberries can replace fresh by thawing and letting them macerate in lemon juice before cooking.
- Use bottled lemon juice for consistent acidity important in jam setting.
- Adjust sugar amount according to preferred sweetness; recipe suggests 1 to 1 1/2 cups sugar.
- Use a larger pot to prevent foaming over as berries cook down.
Nutrition Information
Calories
128kcal
(6%)
Carbohydrates
32g
(11%)
Protein
1g
(2%)
Fat
0.3g
(0%)
Saturated Fat
0.01g
(0%)
Polyunsaturated Fat
0.1g
(1%)
Monounsaturated Fat
0.02g
(0%)
Sodium
1mg
(0%)
Potassium
79mg
(2%)
Fiber
3g
(12%)
Sugar
30g
(60%)
Vitamin A
103IU
(2%)
Vitamin C
10mg
(11%)
Calcium
14mg
(1%)
Iron
0.3mg
(2%)
Nutrition Facts
Serving: 18 oz
Amount Per Serving
Calories 128
% Daily Value*
| Calories | 128kcal | 6% |
| Carbohydrates | 32g | 11% |
| Protein | 1g | 2% |
| Fat | 0.3g | 0% |
| Saturated Fat | 0.01g | 0% |
| Polyunsaturated Fat | 0.1g | 1% |
| Monounsaturated Fat | 0.02g | 0% |
| Sodium | 1mg | 0% |
| Potassium | 79mg | 2% |
| Fiber | 3g | 12% |
| Sugar | 30g | 60% |
| Vitamin A | 103IU | 2% |
| Vitamin C | 10mg | 11% |
| Calcium | 14mg | 1% |
| Iron | 0.3mg | 2% |
* Percent Daily Values are based on a 2,000 calorie diet.