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Blueberry jam recipe

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This recipe is quite simple to carry out : necessary ingredients are blueberries (i use frozen ones), sugar and citric acid (lemon juice).

I put together 5 kilos of blueberries and 3 kilos of sugar no more because my fruits are naturally sweet already and bring it to boil, let it cook for about ten minutes in order to reach 55 brix degrees ( brix being the unit to measure the sugar content, it is done with a refractometer).

I then remove the preparation from heat and add the lemon juice. Lemon juice helps acidifying the mixture and avoid jam ending up too runny.

I immediatly pour the whole into jars that i close and put upside down to pasteurize them naturally.

You can easily make about twenty 300grams jars with this recipe.

Happy cooking to you and remember that « blueberry protects eyesight in the long run ».