The story
From associating hot or spicy food with the Devil; see devil (verb); compare deviled ham, deviled crab, devilled sausages.
Etymology from Wiktionary, CC BY-SA 4.0.
deviled egg
Today it means: A hard-boiled chicken egg that has been shelled, cut in half, and filled with a paste made from the yolk mixed with other ingredients such as mayonnaise, mustard, or spices. Full definition →