Try easy SOUTHERN BARBECUED BEEF TIPS Recipe. Step-by-Step. is perfect for busy families. Comes together quickly with a few staple ingredients! INGREDIENTS1 onion (chopped) 1 tablespoon butter 1 tablespoon prepared mustard 1 tablespoon Worcestershire sauce 1 tablespoon distilled white vinegar 2 tablespoons brown sugar 1?2 teaspoon salt 1?2...