Dice the chicken breast into bite-sized pieces and season with sea salt and black pepper.
Heat toasted sesame oil in a large skillet or wok over medium-high heat.
Add the chicken to the pan and sear until golden brown and cooked through, then remove and set aside.
In the same skillet, crack the egg and scramble quickly until just set, then remove and set aside.
Add the diced carrots, frozen peas, minced garlic, and grated ginger to the pan, sautéing until the carrots are tender.
Increase heat to high and add the cold jasmine rice and cooked chicken back into the skillet.
Press the rice down firmly and let it sit for 1-2 minutes without stirring to develop a crispy texture.
Pour in the tamari and stir in the sliced green onions and scrambled egg until everything is well combined and hot.
Garnish with sesame seeds before serving.