Deviled Eggs - cooking recipe

Ingredients

1 doz. hard-boiled eggs
2 tsp. vinegar
3/4 tsp. salt
1/8 tsp. pepper
1 tsp. mustard
2 Tbsp. melted butter
3 Tbsp. mayonnaise

Preparation

Cut eggs in halves lengthwise; remove yolks.
Mash with fork. Add remaining ingredients to yolks; whip until smooth and fluffy. Heap into whites.
Crisscross with tines of fork.
Refrigerate. Makes 24 halves.