1Peel papaya, remove seed, and cut in 1/2 thick pieces.
2Heat oil on medium and saute garlic, onion, and ginger. Add chicken pieces and fish sauce and cook 5 minutes. Add water and bring to a boil then lower heat and simmer 30 minutes. Add papaya and cook 10 minutes. Add salt and pepper to taste.
3Remove from heat, add spinach, cover, and let sit for 3 minutes to wilt spinach.