In a small bowl, whisk together the fresh orange juice, orange zest, coconut aminos, minced ginger, minced garlic, and arrowroot powder until smooth.
Cut the chicken breast into bite-sized pieces and season with sea salt and black pepper.
Heat the avocado oil in a large skillet or wok over medium-high heat.
Add the chicken to the skillet and sauté until golden brown and cooked through, approximately 5-7 minutes, then transfer to a plate.
Add the broccoli, red bell pepper, and snap peas to the same skillet with a tablespoon of water; cover and steam for 3 minutes until tender-crisp.
Return the chicken to the skillet and pour the orange sauce over the chicken and vegetables.
Stir-fry constantly for 1-2 minutes until the sauce thickens and glazes the ingredients beautifully.
Steam or sauté the cauliflower rice in a separate pan until tender.
Serve the orange chicken and vegetables over the cauliflower rice and garnish with sliced green onions.