Pour 1/4 of the chicken broth into pan and add garlic and ginger. Cook over medium heat for 3 minutes.
Stir occasionally. Cut chicken into bite-size pieces. Add to pan. Cover and cook for 5 minutes.
Add onions and peppers and cook another 5 minutes covered.
Add 1/2 the original amount of broth, coconut milk, turmeric, and curry. Stir and cook uncovered additional 5 minutes or until chicken is fully cooked and the sauce is at a low boil.
In a separate pan add the remaining 1/4 of the broth. Add spinach while it is cooking stir. often.
When spinach is wilted drain the excess liquid, mix it into chicken mixture. Serve with cilantro sprinkled on top.