Steak and asparagus stir fry

Another great recipe from cooking light found here. This is very easy and quite tasty. If you don't like spice omit the red pepper flakes. I think the heat is perfect.

Ingredients

1/2 cup unsalted chicken stock 

• 1 1/2 tablespoons oyster sauce
• 1 1/2 tablespoons lower-sodium soy sauce
• 2 teaspoons grated peeled fresh ginger
• 2 teaspoons minced garlic
• 1 teaspoon cornstarch
• 5 teaspoons canola oil, divided 
• 12 ounces boneless sirloin steak, cut into 1/4-inch strips 
• 12 ounces medium asparagus, trimmed and cut into 2-inch pieces 
• 1 medium red bell pepper, cut into strips
• 1/2 teaspoon crushed red pepper
• 3 green onions, chopped

1. 1. Combine first 6 ingredients in a small bowl, stirring well with a whisk.
2. 2. Heat a large skillet over high heat. Add 1 tablespoon oil to pan; swirl to coat. Add beef; stir-fry until browned but not cooked through (about 1 1/2 minutes). Place beef on a plate; discard liquid in pan.
3. 3. Return pan to high heat. Add remaining 2 teaspoons oil; swirl to coat. Add asparagus and bell pepper; stir-fry 2 minutes. Add crushed red pepper and green onions; stir-fry 30 seconds. Reduce heat to medium-high. Add stock mixture; cook 3 minutes or until sauce is slightly thickened. Return beef and any juices to pan, and cook for 1 minute.