- Add sliced chicken to a shallow dish with ¼ cup teriyaki sauce. Stir to coat. Marinate for 2 hours or overnight.
- Whisk together remaining teriyaki sauce, water, and cornstarch in a saucepan. Heat over low heat until simmering. Continue to simmer until thickened, about 2 minutes. Remove from heat and set aside to cool until warm.
- Drain and discard marinade from chicken. Heat oil in a large skillet over medium heat until sizzling. Add chicken and cook for 8-10 minutes. Stirring regularly. Cool chicken until warm or chill.
- Assemble lettuce, tomato, chopped bacon and ¼ of chicken on a tortilla. Drizzle with teriyaki sauce. Fold tortilla. Repeat with remaining ingredients. Serve wraps right away or refrigerate until serving.