The potato flakes make a full-bodied filling, perfect for piping. One basic recipe makes three variations to chill overnight.
Cut eggs in half lengthwise. Remove yolks. Process yolks, mayonnaise, and next 4 ingredients in a food processor until smooth, stopping to scrape down sides. Stir in crumbled bacon, pickle relish and chop chives into mixture.
Spoon filling into egg whites. Cover and chill up to 8 hours. Garnish, if desired.