Recipes: Pf chang’s chicken lettuce wraps

Preparation:    Preparation time: 10 mins Cooking time: 20 mins Serving: 4 Ingredients: 1 tbsp sesame oil 1 lb ground chicken 1 (8 oz) can water chestnuts, drained and diced 3 oz shiitake mushrooms diced 3  scallions thinly sliced 1 head of romaine lettuce  leaves washed and broken or sliced in half horizontally (see note)  For The Sauce 1/4 cup hoisin sauce 1  tbsp low-sodium soy sauce 1 tbsp regular soy sauce 1 tbsp rice...