Preparation / Directions:
1. Spoon low-fat yogurt onto several layers of heavy-duty paper towels: spread to 1/2-inch thickness. Cover with additional paper towels, and let stand 5 minutes. Scrape yogurt into a medium bowl using a rubber spatula, and set aside.
2. Cut eggs in half lengthwise, and remove yolks. Add 12 yolk halves to yogurt. and mash yolks with a fork until smooth. Reserve remaining 4 yolk halves for another use. Finely chop 4 egg white halves, and add to mashed yolk mixture. Add mayonnaise, sweet pickle relish, mustard, salt, and pepper to yolk mixture, and stir well. Pipe or spoon 1 1/2 tablespoons yolk mixture into each remaining egg white half. Cover and refrigerate at least 1 hour. Sprinkle eggs with paprika, if desired.