a large baking tray and cover it with baking paper
out the blueberries so none are touching
below -18 degrees C until well frozen
If you want to keep it super simple, pat the fruit with paper towel to make sure it is nice & dry and then stick the whole punnet straight in the freezer!
an ice cube tray
a couple of fresh blueberries in each hole and top up with water
overnight until cubes are solid
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