Heat olive oil in a large skillet over medium heat.
Add chicken cubes and cook until golden brown on all sides.
In a small bowl, whisk together soy sauce, honey, garlic, ginger, and rice vinegar.
Pour the sauce over the chicken and stir well.
Add the cornstarch slurry and simmer until the sauce thickens.
Sprinkle with sesame seeds and sliced green onions before serving.