Beef Lo Mein

Name: Beef Lo Mein
Ingredients: 1 lb. fresh lo mein noodles; ¼ cups soy sauce; 1 tsp. sugar; ½ tsp. salt; 2 tbsp. neutral oil, divided; ½ lb. top sirloin steak, sliced thinly against the grain; 3½ oz. shiitake mushrooms, thinly sliced (1½ cups); 8 oz. canned water chestnuts (1 cup); 3 oz. bean sprouts (1 cup); 1 bunch scallions, cut crosswise into 1½ in. lengths (1 cup); 1 cup chicken stock