sweet onion or french fried onion rings
ranch salad dressing
This uses foods that keep fresh for a long time, are in season in the fall, and it has lots of healthy filling fiber.
Tip for keeping celery fresh for 2-3 weeks:
Leave it in the store package. Place that in a plastic grocery bag and roll up so it's wrapped around itself; secure w/ a rubber band or place flat so it won't come unrolled. Celery will stay crisp for a long time.