Created by Echo Echo on October 18, 2014
Step 1: Cook macaroni according to directions on the package.
Step 2: Combine the macaroni, tuna, pepper and tomato.
Step 3: Mix together the mayonnaise, vinegar, mustard, salt, pepper and celery seeds, and stir into the macaroni mixture.
Step 4: Chill at least 2 hours.