Marinated Steak with Grilled Onions

Total Time

Prep: 10 min. + marinating Grill: 10 min.


12 servings (1 cup cooked onions)

Updated: Jun. 27, 2023
This marinade is magic —it will make even economy cuts of beef tender and delicious. —Gail Garcelon, Beaverton, Oregon
Marinated Steak with Grilled Onions Recipe photo by Taste of Home


  • 1-1/4 cups balsamic vinaigrette
  • 4 teaspoons ground mustard
  • 2-1/4 teaspoons Worcestershire sauce
  • 2 garlic cloves, minced
  • 3 beef top sirloin steaks (3/4 inch thick and 1 pound each)
  • 5 medium onions, sliced


  1. Whisk together vinaigrette, mustard, Worcestershire sauce and garlic. Pour 1/4 cup into a shallow dish. Add beef and turn to coat. Cover and refrigerate 6 hours or overnight. Cover and refrigerate remaining marinade.
  2. Drain beef, discarding marinade from dish. Grill steaks and onions, covered, over medium heat or broil 4 in. from heat until meat reaches desired doneness (for medium-rare, a thermometer should read 135°; medium, 140°; medium-well, 145°) and onions are tender, 4-7 minutes per side. Drizzle reserved marinade over onions. Cut steak into thin slices; serve with onions.

Nutrition Facts

3 ounces cooked beef with 1/8 cup onion slices: 209 calories, 8g fat (2g saturated fat), 46mg cholesterol, 294mg sodium, 6g carbohydrate (3g sugars, 1g fiber), 25g protein. Diabetic Exchanges: 3 lean meat.