Mongolian Beef

1 (1pound) flank steak, trimmed and cut into thin slices
butter flavored cooking spray
1/3 c hoisin sauce
2 tbsp water
2 tsp minced peeled fresh ginger
1 tsp minced garlic
2 tsp sesame oil
1/2 tsp crushed red pepper
4 green onions
1. Heat a large non-stick skillet over medium heat. Coat steak with cooking spray. Cook steak for 3 minutes or until browned and liquid has almost evaporated.
2. While steak cooks, combine hoisin sauce and next 5 ingredients in a small bowl. Cut onions crosswise into 1 inch pieces. Add sauce mixture and onions to the meat. Cook 1-2 mins or until sauces is slightly reduced. Don't over cook.