Pat the chicken breast dry with a paper towel and season evenly with the sea salt, black pepper, garlic powder, and ground ginger.
Heat the toasted sesame oil in a large non-stick skillet or wok over medium-high heat until shimmering.
Add the diced chicken to the skillet in a single layer and sear until golden brown and crispy on all sides, approximately 5 to 6 minutes.
Add the diced carrots and frozen peas to the pan, stir-frying with the chicken for 3 to 4 minutes until the vegetables are tender yet still vibrant.
Push the chicken and vegetable mixture to the outer edges of the skillet to create an opening in the center.
Crack the egg into the center and whisk quickly with a spatula until scrambled and just barely set.
Incorporate the chilled jasmine rice and coconut aminos into the pan, tossing everything together over high heat for 2 minutes until the rice is fragrant and toasted.
Remove the skillet from the heat and garnish with thinly sliced green onion before serving immediately.