Simple Deviled Eggs

6 hard-cooked eggs

2 tablespoons mayonnaise

1 teaspoon white sugar

1 teaspoon white vinegar

1 teaspoon prepared mustard

½ teaspoon salt

1 tablespoon finely chopped onion

1 tablespoon finely chopped celery

1 pinch paprika, or to taste

Slice eggs in half lengthwise and remove yolks; set whites aside. Mash yolks with a fork in a small bowl. Stir in mayonnaise, sugar, vinegar, mustard, salt, onion, and celery; mix well. Stuff or pipe egg yolk mixture into egg whites. Sprinkle with paprika. Refrigerate until serving.