saute onions bell peppers and garlic in butter. add salt and hot peppers. stir and saute for 3 more minutes. add chicken and brown. mash tomatoes with fork and mix into stew. add 2 cups water and simmer for 10 minutes. thin peanut butter with a few spoons of hot broth. add half the resulting paste to the pot. simmer until meat is well cooked. meanwhile boil spinach until tender. drain and toss with the remaining peanut butter paste. serve stew and greens together.