Beef with hamburger

2 lbs hamburger 1/2 cup cracker crumb 1 egg salt and pepper 1 chopped onion 1 jar Ragu tomato sauce (or any sauce to your liking, I prefer Diana BBQ sauce) 1[...]

2 TBSP vegetable oil , divided Didn't use this 1 lb lean ground beef I used about a pound and a half 2 onions finely chopped I used much less 4 stalks celery[...]