1 dozen hard-cooked eggs
2 tablespoons
mayonnaise
1/8 teaspoon white vinegar
dash mustard
salt & pepper to
taste
Cut eggs in half lengthwise.
Remove yolks; set white
aside.
Combine yolk with mayonnaise, vinegar, mustard, salt, and
pepper.
Spoon or pipe (from a pastry bag) back into the egg
whites.