Deviling quail eggs is almost as easy as chicken eggs, and the result is infinitely cuter! Here, the filling is simply flavored with mayonnaise, Dijon, and a touch of fresh lemon juice.
Cover eggs with 2 inches of water in a medium saucepan; bring to a boil. Remove from heat, cover, and let stand 2 minutes. Transfer eggs to an ice-water bath; let cool completely.
Peel eggs and trim pointy ends flat, so they stand upright. Trim 1/4 of each egg from other end; gently scoop yolks into a bowl.
Using a fork, mash yolks with mayonnaise, mustard, and lemon juice until smooth. Season with salt and pepper. Using a pastry bag fitted with a small open-star tip (such as Ateco #18), pipe yolk mixture into egg whites in a swirling motion. Serve, topped with dill sprigs.
Quail eggs are sold in many specialty and Asian groceries, and can be ordered online at dartagnan.com.