Heat oil in skillet over medium heat. Add cubed chicken pieces and fry until cooked through, turning halfway. About 5-10 minutes.
Reduce heat and remove chicken from the skillet. Transfer to bowl or chopping board.
Add the cauliflower florets to a food processor and process until the cauliflower is chopped into rice-sized pieces
Add more oil to skillet and add the chopped onion, grated ginger and minced garlic, sautéing for 3-4 minutes until soft. Add the red bell pepper, green beans, and green onion. Cook until tender, about 5 minutes.
Add the cauliflower rice and cook until soft
While the cauliflower rice cooks, beat the eggs in a medium-sized bowl. Beat well.
Move the cauliflower rice to one side of the skillet, and gently pour the beaten eggs onto the other side. Allow the eggs to start to set for 1-2 minutes before stirring into the rest of the rice mixture.
Add the cooked chicken pieces and fish sauce into mixture, and stir to combine
Fry for 1-2 minutes before serving