Some of the best recipes are the most simple. This is one of those. I prefer it just as written, but you may add any ingredients you choose such as chopped onion, scallions, chives, water chestnuts, chopped hard-boiled eggs, lemon-pepper, dill, parsley, etc. I often take this to potlucks when I need a quick and easy (and economical) dish. I've never had to take home left-overs. Tuna pasta salads can be found at many pot lucks. Albacore tuna is plentiful on the Pacific Coast, and this recipe represents the Western U.S.