From The Nancy Drew Cookbook, Clues To Good Cooking, by Carolyn Keene, 1974
6 hard-boiled eggs
1 tsp vinegar or pickle juice
¼ tsp dry mustard
½ tsp salt
½ tsp Worcestershire Sauce
4 tbsp mayonnaise
Other Optional Add-Ins: parsley, chives, pickles, olives, anchovies, sauteed mushrooms, grated onion (or onion powder), deviled ham or ground cooked ham
Carefully cut eggs into halves lengthwise and remove yolks.
Mash yolks or force through a sieve. Add vinegar, seasonings and enough mayonnaise to moisten.
Pile yolk mixture in the halves of egg white; sprinkle with paprika.