1 lb (450g) boneless, skinless chicken thighs, cut into bite-sized pieces
2 tbsp soy sauce (for marinating)
1 tsp grated ginger
2 cloves garlic, minced
½ cup cornstarch
¼ cup all-purpose flour
1 tsp salt
½ tsp black pepper
1 egg (optional, for extra crispiness)
1 cup vegetable oil, for frying

½ cup fresh orange juice (about 1 large orange)
2 tbsp soy sauce
1 tbsp rice vinegar
¼ cup brown sugar
1 tbsp cornstarch (mixed with 2 tbsp water)
1 tsp chili flakes (adjust for spice preference)
2 dried Tianjin peppers, crushed (optional but recommended!)
1 tsp grated ginger
2 cloves garlic, minced
1 tsp orange zest (for extra citrus flavor)

Chopped green onions
Extra orange zest
Toasted sesame seeds