6 hard-cooked eggs, peeled and halved lengthwise
3 T. mayonnaise
1 T. Dijon mustard
1/8 tsp. salt
Finely diced Onion
Paprika, for sprinkling

With a small spoon lift egg yolks out of whites. Place yolks in small bowl. Add mayonnaise, mustard, onion and salt to egg yolks; mix well with a fork to make a very smooth paste. Adjust seasonings, if necessary. Arrange egg white halves on a serving platter. Mound some of yolk mixture into each and sprinkle with paprika. Serve immediately or store, covered, in refrigerator until ready to use.