Cook the brown rice according to package instructions until tender and fluffy.
Dice the chicken breast into bite-sized pieces and season evenly with sea salt and black pepper.
In a small bowl, whisk together the tamari, rice vinegar, raw honey, and arrowroot powder to create the stir-fry sauce.
Heat 1 tablespoon of avocado oil in a large skillet or wok over medium-high heat.
Add the chicken to the skillet and sear until golden brown and cooked through, then remove the chicken and set aside.
Add the remaining tablespoon of avocado oil to the same skillet along with the broccoli florets, sliced bell peppers, and sliced carrots.
Stir-fry the vegetables for 5-6 minutes until they are tender-crisp and vibrant in color.
Add the minced garlic and grated fresh ginger to the vegetables and cook for 1 minute until fragrant.
Return the cooked chicken to the skillet and pour the prepared sauce over the chicken and vegetable mixture.
Toss everything together for 2 minutes until the sauce thickens slightly and coats all ingredients evenly.
Drizzle with toasted sesame oil and serve immediately over the cooked brown rice.