Prepare the Chicken:
Slice chicken into bite-sized pieces.
Cook in a skillet over medium heat for 5-7 minutes until golden brown, then set aside.
Make the Teriyaki Sauce:
Combine soy sauce, honey, garlic, and ginger in a saucepan and simmer for 5-7 minutes.
Thicken with cornstarch slurry, stirring until the sauce is glossy and smooth.
Prepare the Rice and Vegetables: Rinse the rice and cook according to package instructions, then fluff. Blanch or sauté vegetables (1-2 minutes in boiling water or in a pan with oil).
Assemble the Teriyaki Chicken Bowl: Start with a base of rice, add cooked vegetables and chicken, and drizzle with teriyaki sauce. Garnish with sesame seeds, sliced green onions, and avocado.