Choose canned veggies labeled low sodium, and buy fruit that's packed in water or its own juice. Is canned food supposed to list an expiration date? Nope, not unless it's baby food or formula.
Applesauce may also be used for making fruit leather. Makes about 1 quart applesauce; recipe may be multiplied. Sauce your surplus apples, pears, and quince. Then, consider water bath canning ...