PREPARATION:
- Combine carrots, sugar and vinegar in medium bowl; set aside.
- Slice green onions diagonally into 1-inch pieces.
- Combine cornstarch and chili powder in small bowl. Stir broth and soy sauce into cornstarch mixture until smooth. Set aside.
- Heat wok over medium-high heat 1 minute or until hot. Drizzle oil into wok and heat 30 seconds. Add pork; stir-fry until well browned. Add mushrooms; stir-fry until tender.
- Stir broth mixture until smooth and add to wok. Cook until sauce boils and thickens. Add green onions; stir-fry 1 minute.
- Line serving plate with lettuce leaves. Arrange carrot mixture in layer over leaves. Top with pork mixture. (Traditionally, the lettuce leaves are eaten as a wrapper to hold the ground meat mixture.)
