Scored beef flank steak is quickly pan-grilled, sliced and served in a yogurt wine sauce.

Yogurt Flank Steak

2 1/2 pounds beef flank steak
2 onion, chopped
2 cups beef broth
1/4 cup chopped flat-leaf parsley
1/4 cup tomato ketchup
2 teaspoons prepared mustard
1/4 cup dry white wine
1 cup plain yogurt
1/4 cup all-purpose flour

1. With a knife, score flank steak on both sides without cutting through.
2. Spray a large skillet with vegetable cooking spray, heat over high heat, and sear the steak quickly on both sides. Remove to a cutting board and cut into very thin slices.
3. In the skillet combine chopped onion, beef broth, chopped parsley, ketchup, prepared mustard, and white wine. Cook uncovered for about 10 minutes, or until the onion is tender.
4. Combine yogurt and flour and stir into the sauce skillet mixture.
5. Add the sliced beef. Heat through but do not boil.

Makes 6 servings.