Heat the sesame oil in a large skillet or wok over medium heat.
Add the garlic and ginger and cook for 1 minute, or until fragrant.
Add the broccolini, carrots, and onions and cook for 5 minutes, or until softened.
Add the brown rice, cauliflower rice, and cashews and cook for 5 minutes, or until heated through.
Add the coconut aminos, salt, and pepper to taste.
Stir in the pork, if using.
Serve immediately, garnished with fresh green onions.