Rodeo Roast Beef

(from Melani McBride)
This is very good, great for big get-togethers, served with salads, chips and baked beans.

3 lbs roast
Sauce: 1 ½ cups ketchup
1 pkg onion soup mix
½ T chili powder
3 T cider vinegar
2 T Worcestershire sauce
2 tsp mustard
¼ tsp garlic powder

Heat oven to 350. Trim fat from meat. Put in dutch oven (or crock pot) Mix sauce together and pour over meat. Cover. Turn meat once or twice. Cook 2-3 hours or until fork tender. Remove meat from sauce and skim off fat layer. Shread meat with fork. Return to sauce. Serve on hamburger buns. Can put cheese slice on bun.