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Forever foods: 10 cooking staples that can outlast you

tablespoon of sugar

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Sugar

Regardless of whether your sugar is white, brown or powdered, it will never spoil because it doesn't support bacterial growth. The challenge with sugar is to keep it from hardening into chunks. To keep sugar fresh, store it in an airtight container or seal it in a plastic bag. If your brown sugar is more like a brown rock, you can revive it with just a minute in the microwave on low heat.