Mince up some pork or chicken and marinate it in a salt/pepper/sugar/soy sauce and cornflour-paste/chinese wine wine for 20 min's.
Chop mushrooms (that have been soaked discarding stalks) veg of your choice.Heat pan or wok add oil/ginger/onions.cook 1 min' add meat then veg2-3 min's then add a couple of tablespoons of oyster sauce.Stirfry 1-2 min's.Put into lettuce leaf.roll and enjoy.