Dice the chicken breast into small, uniform 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 until shimmering.
Add the chicken to the pan and sauté for 5-6 minutes until golden brown and cooked through, then remove and set aside.
In the same pan, add the diced white onion, diced carrots, and frozen peas, cooking for 3-4 minutes until the onion is translucent.
Stir in the minced garlic and fresh ginger, sautéing for 30 seconds until the fragrant aroma fills the kitchen.
Push the vegetables to one side of the pan, crack the egg into the empty space, and scramble quickly until just set.
Add the cooked brown rice and sautéed chicken back into the pan, breaking up any clumps of rice with a spatula.
Drizzle the coconut aminos and toasted sesame oil over the mixture, tossing everything together for 2 minutes to develop a slight crisp on the rice.
Garnish with sliced green onions and serve immediately while hot.