Oven-Barbecued Beef 1 chuck or round roast, cooked, about 3 to 4 pounds 1/3 cup Worcestershire sauce 1 cup ketchup Cut roast into cubes about 1 1/2 inches thick. Arrange in a shallow baking dish. Combine remaining ingredients and pour over meat. Bake at 350° for 60 minutes. Serves 6 to 8.