Place steak and ½ cup of the dressing in sealable plastic bag; seal bag. Marinate in refrigerator 30 minutes.
Remove steak from marinade; discard marinade. Grill or broil steak 5 to 10 minutes on each side or until cooked through.
Cut steak across the grain into thin slices.
Toss greens with tomatoes, squash and remaining ½ cup dressing. Place on separate platter. Top with steak slices; sprinkle with cheese.
Variation – Prepare as directed, substituting 4 boneless skinless chicken breast halves (1 Lb.) for the sirloin steak.
Recipe and photo provided by Kraft Foods, Inc.