In a large bowl, combine the sliced chicken thighs with salt and pepper. Let them marinate for about 15 minutes for better flavor.
In a small bowl, whisk together soy sauce, honey, rice vinegar, and half of the sesame seeds. Set aside.
Heat 1 tablespoon of sesame oil in a large skillet or wok over medium-high heat. Add the marinated chicken and stir-fry until golden brown and fully cooked, about 5-7 minutes. Remove from the skillet and set aside.
In the same skillet, add the remaining tablespoon of sesame oil. Sauté minced ginger and garlic for about 30 seconds until fragrant, then add sliced bell pepper, broccoli florets, and sugar snap peas. Stir-fry for 3-4 minutes until the vegetables are tender but crisp.
Return the cooked chicken to the skillet with the vegetables. Pour the prepared sauce over the chicken and veggies. Toss everything together until well coated and heated through, about 2-3 minutes.
Sprinkle the remaining sesame seeds and sliced green onions over the stir fry before serving.
Notes
For a gluten-free option, use tamari instead of soy sauce.