Shrimp Gumbo

2 pounds shrimp (washed, shelled and de-veined)
3 tablespoons olive oil
3 garlic cloves crushed
1/2 cup chopped scallions
2 medium onions chopped
4 tomatoes peeled and chopped
4 cups water
2 chicken bouillon
salt to taste
1/2 teaspoon cayenne pepper
1 pound fresh okra or frozen
1 tablespoon flour mixed with 1/4 cup water

Heat oil in Dutch oven over medium heat. When hot add onions, garlic and scallions. Cook, stirring frequently for about seven minutes or until they just begin to brown. Add tomatoes and cook for about five minutes. add shrimp and continue to cook, stirring frequently add enough water just to cover shrimp and two chicken bouillons. Cover and simmer for about 25 minutes. Add okra and simmer covered until okras are tender 20 minutes. Thicken with flour. Serve over white rice.