Seafood Gumbo with flour

2 pounds shrimp 1 pint oysters * 1/2 pound crab meat 2 tablespoons vegetable oil 2 tablespoons flour, all-purpose 3 cups okra * 2 each onions chopped 1 can[...]

1/2 cup all-purpose flour 2 tablespoons butter 2 garlic cloves , minced 1 cup chopped onion 1 cup diced celery , in 1/4 inch cubes 1/2 cup chopped green bell[...]