Adapted from the recipes of Fix-it and Forget-it Cook Book.
**Spray Crock Pot with cooking spray**
1. Place thinly sliced celery on the bottom of Crock Pot, add carrots and quartered potatoes, then roast.
2. Add onion soup to water and pour over roast.
3.Cover. Cook low 8-9 hours, high 5-6 hours.