1. Real maple syrup.
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Real (pure) bee honey is the same. They are both 67% sugar and will last for a very long time if kept reasonably well.
These are both nature’s sugar. It’s not refined, bleached sugar or some chemically derived product from a factory.
And if bee honey goes “sugary”, just put the container in hot water for a while and it will return to normal consistency.
Honey has antimicrobial properties as well (infection prevention).