Flank Steak And Mushrooms On Sourdough With Blue Cheese Sauc

Directions

1. Place steak in nonmetal dish or possibly large resealable food storage plastic bag. Pour wine and salad dressing over steak; turn to coat. Cover dish or possibly seal bag. Chill at least 4 hrs or possibly overnight to marinate.
2. In medium bowl, combine all sauce ingredients; mix well. Cover; chill till serving time.
3. Heat grill. When ready to grill, remove steak from marinade; throw away marinade. Place steak on gas grill over medium heat or possibly on charcoal grill 4 to 6 inches from medium coals. Cook 12 to 15 min or possibly till desired doneness, turning once.
4. Spread both sides of bread slices with 1 Tbsp. of the butter. To toast, place on grill during last 2 to 4 min of cooking time; turn once.
5. Heat remaining Tbsp. butter in small saucepan over medium heat. Add in mushrooms; cook 2 to 3 min or possibly till lightly browned, stirring frequently.
6. To serve, spread 1/4 of the sauce on one side of each toasted bread slice; place on serving plates. Cut beef into thin slices diagonally across grain; place over sauce. Top each serving with mushrooms. Sprinkle with parsley.
7. This recipe yields 4 servings.