1-2 tbsp mayonnaise
1 tbsp mustard
1 tsp Paprika
Plus pinches of any of the following you wish to include: anchovy or sardine paste, chopped ginger, cream cheese, chutney, caviar, smoked salmon, devilled ham, grated Roquefort, chopped chives, basil, tarragon, etc. (don't be afraid to improvise!).
1. Hard boil the eggs
2. Peel eggs and slice in half; remove yoke.
3. Mix egg yoke in bowl with mayonnaise, mustard, pepper and whatever else from the optional ingredients.
4. Place mixture in equal amounts in the open-faced half eggs.
5. Sprinkle paprika on top. Enjoy!