Heat oil in a wok or a large skillet over high heat. Add garlic and cook 30 seconds. Add chicken and cook about 3 minutes or until no longer pink inside, stirring frequently.
Stir in TABASCO® Brand Sweet & Spicy Sauce and soy sauce and stir-fry for 2 minutes. Add water chestnuts and cook 2 minutes. Add green onions and peanuts and cook 2 minutes more.
For each wrap, spoon a small amount of chicken mixture onto a lettuce leaf and wrap lettuce to enclose filling. Serve immediately.