Season and coat the chicken thoroughly in egg and cornstarch, ensuring each piece is evenly covered for consistent crispiness.
Fry the chicken in batches until golden brown and fully cooked, making sure not to overcrowd the pan to maintain oil temperature.
Simmer the sauce ingredients together until slightly thickened and aromatic, allowing the flavors to blend properly.
Add cornstarch slurry and stir continuously until the sauce reaches a smooth, glossy texture without lumps.
Toss the fried chicken in the sauce gently until fully coated, ensuring the sauce clings evenly without breaking the crust.
Garnish and serve immediately to preserve the balance between crispy coating and sticky glaze.