Make and Store a Salad that Will Stay Fresh and Crisp All Week Long ~ The trick.putting a paper towel in with your salad lettuce will keep it fresh all week long. The paper towel will absorb the moisture, which is the culprit for wilting lettuce.
Marshmallows in brown sugar jar to keep it from losing moisture; and you don't waste perfectly good marshmallows. Remove after a couple of days. Store brown sugar in airtight container to minimize hardening in the first place