Boil the eggs, then cool, peel, and chop them into small pieces.
6 large eggs
Place the chopped eggs in a large bowl and mash lightly with a fork or potato masher.
Add the mayonnaise, onion, Dijon mustard, capers, salt, and pepper. Stir to combine.
⅓ cup mayonnaise, ¼ cup purple onion, 2 tablespoons Dijon mustard, 1 tablespoon capers, ⅛ teaspoon ground black pepper, Pinch of salt
Taste and adjust the seasoning if needed.
Refrigerate for at least 30 minutes before serving.
Serve on croissants, sandwich bread, or buns.
4 croissants