Pat 2 lb chicken breast dry with paper towels, then cut into bite-sized pieces about 1.5 inches each. Season generously with salt and pepper on all sides, letting the seasoning adhere to the meat.
Heat 2 tbsp vegetable oil in a large skillet over medium-high heat for 2 minutes. Working in batches to avoid crowding, sear chicken pieces 3-4 minutes per side until golden brown, then transfer to a clean plate.
In a small bowl, whisk together 1/4 cup honey, 6 minced garlic cloves, 3 tbsp soy sauce, 2 tbsp rice vinegar, 1 tbsp cornstarch, 1 tsp minced ginger, and 1/2 tsp red pepper flakes. This honey garlic chicken glaze creates the signature sticky coating your family will love.
Return all chicken to the skillet and pour the glaze mixture over top, then add 1/4 cup chicken broth. Stir everything together and bring to a simmer, cooking 5-6 minutes until the sauce thickens and coats the chicken evenly.
Remove from heat and stir in 2 tbsp butter and 1 tsp sesame oil until completely melted and incorporated. The sweet glazed chicken is now ready to serve; garnish with chopped green onions and serve immediately over rice or noodles.