Carefully take out yolks, mash with fork in a small bowl.
Mix in mayonnaise, mustard, salt and pepper.
Fill whites with yolk mixture.
Chill for at least 1 hour. Makes 6 servings.
You can garnish each deviled egg half with the following if desired:- Slice of small sweet gherkin pickle- Slice of green or black olive- Bacon crumbles- Sprig of green onion- Sprinkle of paprika or tarragon