3 lb. rump roast
1 whole onion
3 stalks celery
2 c. water

Preheat oven to 375 degrees. Salt and pepper the roast. Place the roast in a pan or roaster, add the onion, celery stalks and 2 cups water. Cover with the lid and put it in the oven. Cook roast for one hour at 375 degrees. Then turn off the oven, but do not open the door. If you do, you'll let out the heat and louse up the whole process. Allow three hours in the oven to complete the cooking. It works with any size roast. You may use sirloin or chuck roast. My preference is the rump.