Callaloo is not only the name of this dish, which varies from country to country, but also refers to a number of different leafy greens throughout the Caribbean region, from taro and okra leaves to amaranth greens. Use any of these, or the chard and spinach suggested below. For more information, see About Greens for Cooking.
Place in a soup pot and cook, stirring, over medium heat until almost crisp:
Leaving the bacon in the pot, pour off all but 2 tablespoons of the fat. Add and cook, stirring, until the onion is tender but not browned, 6 to 8 minutes:
Stir in:
Cover, bring to a boil, then reduce the heat and simmer for 5 minutes. Uncover and add:
Simmer until the okra and fish are cooked, about 10 minutes. Break up the fillets with a spoon and add:
Let the shellfish heat through for about 3 minutes more. Season to taste with:
Garnish with: