Green Beans Of The Sea Salad
["1 lb. can cut green beans, drained", "2 (6 to 7 oz.) cans tuna, drained", "1/2 to 1 red onion, cut into thin rings", "2 hard-boiled eggs, cut in 8 pieces each", "2 red potatoes, boiled and diced", "1 tsp. salt", "3 Tbsp. olive oil", "2 Tbsp. lemon juice", "2 Tbsp. wine vinegar", "1 Tbsp. grated Parmesan cheese", "1/2 tsp. oregano", "1/4 c. crushed walnuts or pecans", "1 to 2 firm, ripe tomatoes, cut into wedges"]
["Put first 5 ingredients into large bowl.", "Mix remaining ingredients together.", "Pour mixture of remaining ingredients on and toss.", "Sprinkle on:"]
["green beans", "tuna", "red onion", "eggs", "red potatoes", "salt", "olive oil", "lemon juice", "wine vinegar", "Parmesan cheese", "oregano", "walnuts", "firm"]