In a small bowl combine ingredients for stir fry sauce; soy sauce, brown sugar, rice vinegar and hoisin sauce and set aside.
In a small bowl combine ingredients for dipping sauce; sugar, water, soy sauce, rice wine vinegar, ketchup, lemon juice, sesame oil, hot mustard, garlic and garlic red chili paste and set aside.
Wash and remove core from the lettuce leaves and let dry completely
Place olive oil in wok or pan and heat up and then add garlic and onions and cook until aromatic.
Add chopped carrots, celery and water chestnuts and keep the wok moving.
Add chopped chicken and cook until color turns and then add the stir fry sauce and keep the wok moving. 3-5 minutes total for cooking time.
Remove chicken stir fry from wok and place on serving plate along side of lettuce and dipping sauce. Let your family and guests make their own tasty lettuce wrap creations.