Melt coconut oil over medium high heat in cast iron skillet. Add onions and carrots and saute until beginning to soften. Add garlic and ginger, sizzle for 30-60 seconds.
Add chicken, frozen peas, toasted sesame oil, and coconut aminos. Stir to combine and cook until chicken and peas are warmed through.
Add cauliflower rice and green onions. Stir to combine and turn heat up to high. Let cook for 1-2 minutes to fry rice, then stir once and cook an additional minute. Chili oil can be added at this point if you like a little spice.