Step-by-Step Instructions
If using fresh blueberries, wash them thoroughly and remove any stems or leaves. If using frozen blueberries, there is no need to thaw them first; they can go directly into the pot.
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In your large pot, combine the blueberries and the 2 cups of water. Place the pot over medium-high heat and bring the mixture to a boil. Once boiling, reduce the heat to medium-low to maintain a steady simmer.
As the blueberries begin to soften and release their juices, use a potato masher or the back of a wooden spoon to gently crush the berries against the side and bottom of the pot. This step is crucial as it helps to break down the skins and release all the vibrant color, flavor, and beneficial compounds. Continue to simmer for about 10-15 minutes, stirring frequently, until the berries are completely broken down and the mixture has become a deep, dark purple liquid. The liquid should have a rich, jam-like consistency.
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Stir in the granulated sugar, lemon juice, and a pinch of salt (if using). Continue to cook for another 3-5 minutes, stirring to ensure the sugar is completely dissolved. Taste the mixture at this stage; it should be intensely sweet, as this is a concentrated base that will be diluted later. Adjust sweetness to your liking.
Remove the pot from the heat. Cover it with a lid and allow the mixture to steep for 30 minutes. This important step allows the flavors to further meld and deepen.
Line a fine-mesh strainer with a double layer of cheesecloth or a nut milk bag and place it over a large bowl. Carefully pour the blueberry mixture into the strainer. Use a spoon to gently press the solids to extract as much liquid as possible.
Pro Tip: For a perfectly clear, crystal-clear juice, do not press too hard or squeeze the cheesecloth, as this can force fine sediment through. Allow the juice to strain naturally for the best clarity. For a juicier, slightly thicker juice with more body, you can press firmly to extract every last drop.
Once strained, discard the blueberry pulp (or save it for smoothies, oatmeal, or baking). Let the juice cool to room temperature. Using a funnel, pour the concentrated juice into sterilized glass bottles or jars.
This recipe creates a blueberry juice concentrate. To serve, mix 1 part concentrate with 1 to 2 parts cold water or sparkling water, depending on your taste preference. Serve over ice for an extra refreshing drink.
Serving Suggestions:
This information is an estimate and applies to the undiluted concentrate. Nutritional values will vary depending on the specific ingredients used and how much sugar you add.
Serving Size: 2 oz (60ml) of concentrated juice (based on a recipe that yields approx. 24 oz / 700ml)
Yield: Approximately 12 servings
| Nutrient | Amount |
|---|---|
| Calories | ~80 kcal |
| Total Fat | 0.3g |
| – Saturated Fat | 0g |
| Cholesterol | 0mg |
| Sodium | 5mg |
| Total Carbohydrate | 20g |
| – Dietary Fiber | 1g |
| – Sugars | 18g |
| Protein | 0.5g |
| Vitamin C | 15% DV |
| Vitamin K | 15% DV |
| Manganese | 15% DV |
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