Add chicken into a small bowl, season with salt and pepper. Add cornstarch and combine.
In a small bowl, add eggs, season with garlic and onion powders, salt and pepper, and whisk.
Add oil into a skillet/pot and heat over medium heat. Cook the chicken and cook until golden brown on both sides about 4-5 mins. If you're using a small skillet you might need to cook the chicken in batches.
While the chicken is cooking, preheat the oven to 350 degrees. In a small bowl, mix red pepper flakes, buffalo hot sauce, brown sugar, rice vinegar and combine.
Remove all the cooked chicken to a paper towel-lined plate, drain any excess oil in the skillet and leave about a tablespoon, add garlic to the skillet and stir for a few seconds.
Add sauce and allow to simmer for a couple of minutes. Add chicken and bake in the oven for about 15 mins. If you're not using an oven-safe pan, transfer the sauce and chicken to a baking dish and bake until the sauce thickens, flipping halfway through.
Serve with rice and favorite vegetable and enjoy, you can garnish with toasted sesame seeds, green onion, or fresh herbs.