Shrimp Creole
["4 Tbsp. margarine", "1 medium onion, cut fine", "1 green pepper, cut fine", "4 stalks celery, cut fine", "2 Tbsp. flour", "1 tsp. salt", "1/8 tsp. pepper", "2 small cans tomato sauce", "1 Tbsp. vinegar", "1 1/2 lb. shelled, boiled shrimp"]
["Brown onions, pepper and celery in margarine.", "Blend in flour, salt and pepper.", "Add tomato sauce and vinegar.", "Cover, simmer for 10 minutes.", "Add cooked shrimp and serve over rice."]
["margarine", "onion", "green pepper", "stalks celery", "flour", "salt", "pepper", "tomato sauce", "vinegar", "shrimp"]