Prepare Lettuce: Wash and dry the lettuce leaves. Set aside.
Cook Protein: Heat sesame oil in a pan over medium heat, cook ground chicken (or tofu) until browned.
Sauté Aromatics: Add garlic and ginger, cook for 1-2 minutes until fragrant.
Add Vegetables: Stir in water chestnuts, carrots, and green onions. Cook for 2-3 minutes.
Add Sauce: Mix soy sauce, hoisin sauce, oyster sauce, and rice vinegar in a bowl. Pour over the filling, stir, and cook for 2-3 minutes.
Assemble Wraps: Spoon the filling into lettuce leaves, serve immediately.