Whisk together minced garlic, soy sauce, sesame oil, honey, and cornstarch until smooth.
Heat vegetable oil in a large skillet or wok over medium high heat.
Add chicken and garlic mixture to pan and stir fry, stirring frequently, until chicken is cooked through and sauce has thickened, about 5-7 minutes.
Garnish with sesame seeds and green onion, if desired.