Orange Chicken the best I've ever had! Full of fresh and vibrant orange flavor.
Ingredients
1 1/2 lbs boneless skinless, chicken breast halves, diced into 1 1 1/2-inch pieces
1 cup low-sodium chicken broth
1 Tbsp finely grated orange zest (zest of 1 1/2 fairly large oranges)
1/2 cup freshly squeezed orange juice
1/3 cup white vinegar
1/4 cup soy sauce
2/3 cup granulated sugar
1/4 tsp dried ginger
2 Tbsp grated yellow onion (be sure to get some of the juices when measuring)
2 cloves garlic, finely minced
1 tsp Sriracha hot sauce (optional)
Freshly ground black or white pepper, to taste
1 1/4 cups + 2 Tbsp cornstarch
2 Tbsp cold water
2 large eggs
vegetable or peanut oil, for frying
chopped green onions and sesame seeds, for garnish (optional)

Source Link: http://www.cookingclassy.com/2013/02/chinese-orange-chicken/