1.Cook onion in nonstick frypan coated with vegetable cooking spray over medium heat for 1 minute. Stir in burger strips. Cook and stir until heated through.
2. Combine soy sauce, vinegar, ginger, and red pepper.
3. Add soy mixture and coleslaw mix to burger strips. Gently toss until combined.
4. Spoon some burger mixture into each lettuce leaf. Wrap leaf around filling. Secure with wooden pick. Serve immediately.