Deviled Eggs
["6 hard-boiled eggs", "2 Tbsp. mayonnaise", "1 1/2 tsp. prepared mustard", "1 1/2 tsp. vinegar", "1 tsp. lemon juice", "dash of salt and pepper"]
["Peel eggs and cut in halves lengthwise.", "Remove yolks and mash finely with a fork; stir in remaining ingredients.", "Stuff the egg whites with the mixture; garnish with finely chopped parsley or paprika.", "Refrigerate at least 1/2 hour."]
["eggs", "mayonnaise", "mustard", "vinegar", "lemon juice", "salt"]