- 1 (.6 ounce) envelope GOOD SEASONS Zesty Italian Salad Dressing Mix
- 1/4 cup red wine vinegar
- 1 teaspoon GREY POUPON Dijon Mustard
- 1 beef flank steak (1 to 1-1/2 lb.)
- 2 medium green peppers, cut into strips
- 1 large onion, sliced
- Prepare salad dressing as directed on envelope, using red wine vinegar. Add mustard; mix until well blended.
- Score steak on both sides. Pour 1/2 cup of the dressing over steak in shallow dish or zipper-style plastic bag; cover. Refrigerate 2 hours or overnight to marinate; drain. Discard dressing mixture.
- Place steak on rack of broiler pan. Broil 4 to 6 inches from heat 8 to 10 minutes on each side or until cooked through, turning every 5 minutes. Meanwhile, cook peppers and onion in remaining dressing in skillet until tender-crisp. With knife slanted, carve steak across grain into thin slices. Top with pepper and onion mixture.