How to make blueberry jam?

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1. Prepare blueberries, sugar and lemon juice first.

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Wash blueberries with water

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3. Absorb water with kitchen paper.

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4. Cut each blueberry in half.

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5. Put blueberries, sugar and lemon juice in a small pot.

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6. Boil and stir over medium heat.

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7. When the juice is half dry, turn down the heat and continue to cook until the bottom of the pot is scraped with a spatula, and the blueberry sauce is cooked.

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