Nan'S Macaroni Salad
["3 c. elbow macaroni", "1 c. diced celery", "1/2 c. extra sharp Cheddar cheese, diced", "1 Tbsp. minced onion", "1 (6 1/2 oz.) can tuna, drained", "1/2 green pepper, diced", "3/4 c. mayonnaise", "1/4 c. cider vinegar", "1/4 c. water", "salt and pepper to taste"]
["Cook macaroni until barely tender (al dente).", "Drain; cool in running cold water.", "Drain well.", "Mix together celery, onion, pepper, cheese and tuna.", "Layer macaroni in thirds with layer of mix and 1/3 mayonnaise and vinegar.", "Mix gently.", "Chill."]
["elbow macaroni", "celery", "extra sharp", "onion", "tuna", "green pepper", "mayonnaise", "cider vinegar", "water", "salt"]