Ingredients

  • 1/4 cup reduced-fat olive oil vinaigrette
  • 1 teaspoon dried Italian seasoning
  • 1 small onion, quartered
  • 1 (1-pound) flank steak
  • Cooking spray
  • 1/2 cup fat-free sour cream
  • 2 tablespoons fat-free mayonnaise
  • 1 1/2 tablespoons prepared horseradish
  • Oregano sprigs (optional)

Method

  • Combine first 3 ingredients in a food processor; process until onion is minced.
  • Place steak in a large heavy-duty zip-top plastic bag. Pour onion mixture over steak; seal bag, and shake until steak is well coated. Marinate in refrigerator 8 hours, turning bag occasionally.
  • Prepare grill.
  • Remove steak from marinade; discard marinade. Place steak on grill rack coated with cooking spray. Cover and grill 10 to 12 minutes or to desired degree of doneness. Let steak stand 5 minutes.
  • Combine sour cream, mayonnaise, and horseradish, stirring well. Cut steak diagonally across grain into thin slices. Garnish with oregano sprigs, if desired. Serve with horseradish mixture.
  • carbo rating: 8