Prep the chicken: Cut chicken into bite-sized chunks and pat them dry. This helps get a better sear in the pan.
Mix the sauce: In a bowl, whisk togethersweet chili sauce, soy sauce, rice vinegar, honey, garlic, and ginger. Set aside
Sear the chicken: In a large skillet over medium-high heat, heat the vegetable oil. Add the chicken and cook for about 5–6 minutes until golden and cooked through.
Add the sauce: Pour the sauce into the pan and toss to coat all the pieces.
Thicken it up: Mix cornstarch with water to create a slurry, then stir it into the sauce. Cook for 2–3 minutes until thick and glossy.
Finish and serve: Remove from heat, sprinkle with green onions and sesame seeds. Serve hot over rice, noodles, or lettuce wraps.