Mongolian Beef with Scallions, Sesame Noodles, and Stir-Fried Bok Choy

Ingredients

• 1 1/2 pounds flank steak
• 2 tablespoons sesame oil
• 6 whole scallion
• 1 head bok choy
• 2 cloves garlic
• 1 inch ginger
• 1 pound noodle
• 1/4 cup soy sauce
• 2 tablespoons cornstarch
• 2 tablespoons hoisin sauce
• 1 tablespoon rice vinegar
• 1 tablespoon honey
• 2 teaspoons sesame seeds
• 1 tablespoon vegetable oil
• 1/2 teaspoon red pepper flakes
• 1/4 teaspoon black pepper