In a small sauce pan start your orange chicken sauce. Add BBQ sauce, orange marmalade, and soy sauce. Whisk together and allow to cook on a simmer. While your sauce simmers get your chicken started.
Dice chicken breast into bite size pieces. Heat a large skillet on medium heat and add oil. Whisk egg together in place in a bowl. Wash chicken pieces in egg wash and then coat with flour. Add chicken to warm oiled skillet.
Allow chicken to cook for 3-4 minutes before turning over. Turn and cook until both sides are crispy.
Add chicken to a large mixing bowl and pour orange sauce over cooked chicken. Use tongs to toss and coat the chicken.