Mackerel cooked in coconut milk with spinach. This recipe video will teach you how to cook this delicious Filipino dish.Ginataang Mackerel ingredients:30 ounces mackerel, canned in brine1 bunch spinach2 cups coconut milk5 pieces Thai chili pepper, optional3 thumbs ginger, sliced into thin strips1 piece onion, chopped5 cloves garlic, minced½ cup water¼ cup white vinegar3 tablespoons cooking oilFish sauce and ground black pepper to taste