To preserve #blueberries, #FirstNations boil them for an hour or more until they are thick.

The heat should be very low, and no sugar should be used, only a little water, which should be added a little at a time. When the fruits form a paste, they are placed in an envelope-shaped birch bark container and left to dry in the sun. Sometimes, the berries could also be smoked. Blueberry paste keeps for years and never loses its flavor or colour. All berries can be stored in this way except strawberries.