Created by Echo Echo on November 1, 2014
Step 1: In a small bowl, whisk together teriyaki sauce, soy sauce and vinegar.
Step 2: Dissolve cornstarch in 1 Tbsp water and stir into the sauce mixture; set aside.
Step 3: In wok or large skillet over high heat, heat oil and stir-fry chicken 2 minutes.
Step 4: Add vegetables and cook about 2 more minutes until chicken loses its pink color and vegetables soften.
Step 5: Add sauce to skillet and cook, stirring, until heated through and sauce is thickened.