Mahi Mahi Filets Poached in Five Spice Broth with Baby Bok Choy and Udon Noodles

Name: Mahi Mahi Filets Poached in Five Spice Broth with Baby Bok Choy and Udon Noodles
Ingredients: 6 heads of baby bok choy; 2 carrots; 2 green onions; 1 thumb-to-knuckle-size piece of ginger root, peeled; 1/4 cup minced cilantro; 2 1/2 cups chicken broth; 2 Tbsp. dry Sherry; 2 tsp. soy sauce, plus more; 2 tsp. sugar; 1 1/2 tsp. Five Spice powder; 2 tsp. Asian sesame oil; 2 tsp. sesame seeds; Four 6 oz. Mahi Mahi filets; Salt for sprinkling; Freshly ground black pepper; 1 Tbsp. vegetable oil; 6 oz. Udon noodles