Combine Wowee Sauce ingredients in small bowl. Set aside.
Heat large nonstick skillet over medium heat until hot. Add Ground Beef; cook 8 to 10 minutes, breaking into small crumbles and stirring occasionally. Pour off drippings, if necessary. Add green onions and soy sauce; season with pepper, as desired. Cook and stir for 1 minute.
Evenly spoon beef mixture onto each lettuce leaf. Top with equal amounts of water chestnuts and carrots. Spoon some Wowee Sauce over top. Wrap lettuce around filling. Serve with remaining Wowee Sauce.
Nutrition information per serving: 295 Calories; 54 kcal Calories from fat; 6 g Total Fat; 3 g Saturated Fat; 2 g Monounsaturated Fat; 76 mg Cholesterol; 552 mg Sodium; 34 g Total Carbohydrate; 3.1 g Dietary Fiber; 28 g Protein; 3.8 mg Iron; 7 mg Niacin; 0.5 mg Vitamin B6; 2.4 mcg Vitamin B12; 6.4 mg Zinc; 19.2 mcg Selenium; 22.2 mg Choline;