Crab Gumbo
["6 to 8 crabs", "4 Tbsp. oil, divided", "2 Tbsp. flour", "3 c. chopped okra", "2 onions", "1/2 lb. or 1 can shrimp", "2 cans tomatoes or 1 can tomato paste", "3 cloves garlic", "1 bay leaf", "salt to taste", "1/2 pt. oysters (optional)", "liquid crab boil"]
["Boil crabs in approximately 3 quarts water for about 15 minutes.", "Make dark roux by browning flour in 2 tablespoons oil; set aside.", "Smother okra in 2 tablespoons oil, adding tomatoes when okra is nearly cooked.", "Add all ingredients to boiling crabs. Cover and cook slowly 30 minutes.", "Add liquid crab boil to taste."]
["crabs", "oil", "flour", "okra", "onions", "shrimp", "tomatoes", "garlic", "bay leaf", "salt", "oysters", "crab boil"]