Olive Macaroni Salad
["1 (10 oz.) pkg. elbow macaroni", "1/2 c. olive oil", "2 Tbsp. wine vinegar", "1/2 tsp. salt", "1/4 tsp. pepper", "2 Tbsp. ketchup", "1 tsp. capers, drained", "8 slices bacon, well cooked and crumbled", "2 Tbsp. onion, finely chopped", "1/2 c. mayonnaise", "3 tomatoes, chopped", "4 eggs, hard-boiled and chopped", "1 (8 oz.) can ripe pitted olives, chopped"]
["Cook macaroni according to package directions; drain.", "Mix with remaining ingredients and chill.", "Serves 8 to 10."]
["elbow macaroni", "olive oil", "wine vinegar", "salt", "pepper", "ketchup", "capers", "bacon", "onion", "mayonnaise", "tomatoes", "eggs", "olives"]