Ingredients

  • 1- 3 lb. beef chuck arm pot roast (2 to 2 1/2 inches thick)
  • 1 medium onion (sliced)
  • 1/3 c. vinegar
  • 1/4 c. catsup
  • 2 Tbsp. cooking oil
  • 2 Tbsp. soy sauce
  • 2 Tbsp. Worcestershire Sauce
  • 1 Tbsp. prepared mustard
  • 1 bay leaf
  • 2 tsp. whole black peppercorns
  • 1 tsp. salt
  • 1/4 tsp. garlic powder

Method

  • Place meat and onion in bowl or pan with lid.
  • For marinade, in container, combine vinegar, catsup, oil and seasonings.
  • Seal, shake well.
  • Pour marinade over meat.
  • Seal and refrigerate 2 to 24 hours (keeping meat covered).