In a small bowl, mix together the mayonnaise, mustard, and lemon juice until smooth.
Chop the eggs in small cubes and transfer to a medium mixing bowl.
Add the mayonnaise mixture, parsley, green onion, shallot, salt, and pepper. Mix well until evenly coated.
Refrigerate, covered, for 30 minutes, and stir before serving. Garnish with extra chopped parsley. Serve as a side dish, spread on sandwiches, or with crackers for a tasty appetizer. Makes 4 servings.
Notes
Refrigerate leftover egg salad, tightly covered or in an airtight container, for up to 2 days. Stir before serving.