Cut apples in half and remove the core
with a melon baller
apples into medium-sized pieces, leaving skin on.
In a bowl, toss apples
with the cider vinegar. Fold in mayonnaise
thoroughly. Season with salt and pepper to taste. Fold in walnuts, raisins
, curry powder, celery
, mint and red onion. Adjust seasoning. Refrigerate for at least 1 hour to allow flavors to incorporate. To serve, arrange 2 leaves of romaine lettuce
per plate and spoon salad on top.