Place four and arrowroot in a shallow dish . Add a pinch of salt. Whisk together.
Whisk eggs in a separate dish.
Dip chicken pieces in egg mixture and then flour mixture. Place on plate.
Heat about 3 inches of oil in a heavy bottomed pot over medium-high heat. Heat to 350 degrees.
Working in batches as to not over crowd your pan, fry chicken about 2 minutes per side until golden brown all over. Remove and place on paper towel lined plate. Repeat with all chicken pieces
Toss chicken with orange sauce. You may want to reserve some sauce for serving. Garnish with green onions and additional orange zest.
Serve over cauliflower rice (or regular rice)