Pour dressing over steak in shallow dish; turn to evenly coat both sides of steak. Refrigerate 1 hour to marinate.
Heat grill to medium-high heat. Remove steak from marinade; discard marinade. Grill steak 5 min. on each side or until medium doneness. Remove from grill; cover. Let stand 5 min.
Cut steak diagonally across the grain into thin slices.
Spread buns with mustard; fill with meat, cheese and arugula.
Substitute fresh spinach for the arugula.
Calories From Fat
% Daily Value*
Total Fat 12g
Saturated Fat 4g
Trans Fat 0g
Total Carbohydrates 20g
Dietary Fiber 1g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.