Cut the chicken into bite-size pieces. Season with salt.
Sprinkle cornstarch over chicken and stir to coat it well.
In a saucepan, heat up vegetable oil until it reaches 350° F.
Fry chicken in batches and remove onto a plate.
In a skillet, heat up olive oil. Add ginger and garlic and sauté until fragrant, about 2 minutes.
Add dried chili peppers and sauté until softened.
Mix soy sauce, water, brown sugar, sesame oil, and cornstarch in a measuring cup. Whisk well.
Pour the sauce into the skillet and simmer until thickened.
Add chicken, stir well to coat, and simmer for 2 minutes.
Serve with rice and fresh green onions.