Heat the olive oil in a large skillet over medium-high heat.
Add the cubed chicken and cook until browned and fully cooked through, stirring occasionally.
While the chicken cooks, prepare the sauce. In a medium bowl, whisk together soy sauce, water, brown sugar, rice vinegar, sesame oil, ginger, garlic, honey, and cornstarch until smooth.
Once the chicken is fully cooked, pour the sauce into the skillet.
Stir continuously as the sauce simmers and thickens, coating the chicken evenly.
Continue cooking for 3–5 minutes until the sauce reaches your desired consistency.
Serve the Best Teriyaki Chicken Rice Bowl over cooked white or brown rice.
Add steamed vegetables on the side and garnish with sesame seeds and chopped green onions before serving.