Blueberry Refrigerator Jam
A vibrant blueberry refrigerator jam with a hint of grape flavor, perfect for quick spreads on toast, breakfast, or desserts, suited for those seeking a fresh fruit preserve.
Ingredients
- 1 1/2 tsp. unflavored gelatin
- 1/3 c. frozen sweetened grape juice concentrate ⓘ
- 3 c. fresh blueberries
Instructions
- Sprinkle gelatin over grape juice concentrate in a saucepan. Let stand 1 minute.
- Add blueberries and cook over low heat, stirring constantly, until gelatin dissolves and mixture thickens slightly.
- Cool the mixture.
- Pour preserves into airtight containers and chill until set.
- Store in refrigerator.
Tips & Substitutions
For best results, use high-quality frozen grape juice concentrate as it adds natural sweetness. If blueberries are unavailable, you can substitute with other berries like raspberries or blackberries. Make sure to stir constantly while cooking to prevent sticking. If you prefer a smoother texture, you can blend the mixture after cooking, but this will change the jam's rustic quality. Always let the jam cool completely before storing.
Serving Suggestions
This blueberry refrigerator jam is perfect for spreading on toast or English muffins for breakfast. It also pairs beautifully with oatmeal or yogurt for a nutritious start to your day. Consider using it as a filling for pastries or topping for pancakes. For a delightful dessert, serve it alongside a scoop of vanilla ice cream or as part of a cheese platter with crackers.
Storage & Reheating
Store the blueberry refrigerator jam in airtight containers in the refrigerator. It can last for up to two weeks. If you find it thickens too much after chilling, you can stir in a small amount of water to reach your desired consistency. Do not freeze this jam, as the texture may change upon thawing.
Nutrition & Diet Analysis (per serving)
Each serving of Blueberry Refrigerator Jam contains roughly 11 calories, with 0g protein, 3g carbohydrates, and 0g fat.
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I use fresh blueberries instead of frozen?
Yes, fresh blueberries can be used in this recipe. Just ensure they are ripe and sweet, as this will enhance the flavor of your jam. If using fresh, you can skip the thawing step and proceed directly to cooking them with the gelatin and grape juice concentrate.
How can I adjust the sweetness of the jam?
If you prefer a sweeter jam, you can add a bit of sugar or honey to the mixture while it cooks. Start with a tablespoon and adjust to taste, keeping in mind that the sweetness from the grape juice concentrate will also contribute to the overall flavor. Make sure to stir well to dissolve any added sweeteners.
Can I double this recipe?
Absolutely! You can double the ingredients for a larger batch of blueberry refrigerator jam. Just ensure you use a larger saucepan to accommodate the increased volume, and keep an eye on the cooking time, as it may take a bit longer for the mixture to thicken.
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).