Ingredients
1/3 cup sugar1 tablespoon cornstarch1 to 1-1/2 teaspoons ground mustard1 teaspoon salt1/2 teaspoon celery seed1/2 cup milk1/4 cup vinegar1 egg, beaten1/4 cup butter, cubed1/4 cup chopped onion1/4 cup mayonnaise7 medium red potatoes, cubed and cooked3 hard-boiled large eggs, choppedLettuce leaves and paprika, optional
Preparation
In a saucepan, combine sugar, cornstarch, mustard, salt and celery seed. Stir in the milk, vinegar and beaten egg until smooth. Add butter. Bring to a boil; cook and stir for 2 minutes or until thickened and bubbly. Cool. Stir in onion and mayonnaise.
In a large bowl, combine potatoes and hard-boiled eggs. Add dressing and toss gently to coat. Cover and refrigerate for at least 1 hour. If desired, serve in a lettuce-lined bowl and sprinkle with paprika.