Japanese udon lamb with soy and mushroom broth

Name: Japanese udon lamb with soy and mushroom broth
Ingredients: 340 grams Australian lamb round; 450 grams udon noodles, fresh; 1 cup enoki mushrooms; 55 grams shiitake mushrooms, sliced; 55 grams oyster mushrooms; 1 cup bean sprouts; 3 scallions, sliced diagonally; 2 small chillies; ½ bunch Vietnamese mint; ⅓ bunch coriander (cilantro); 1.2 litres rich chicken or veal stock; 2 tablespoons light soy sauce; 1 lime, juiced and zested; 1 tablespoon fish sauce; 2 teaspoons sesame oil; Fried shallots; Coriander (cilantro)