Deviled Eggs

Put eggs in a 3-quart heavy saucepan, cover with cold water, partially cover pan, and bring to a rolling boil. Reduce heat to low, cover completely, and cook eggs for 30 seconds, Remove from heat and let stand, covered, for 15 minutes. Transfer eggs to a bowl of ice and cold water and let stand for 30 minutes; drain. Peel eggs and halve lengthwise. Carefully remove yolks and mash in a bowl with a fork. Add mayonnaise, mustard, vinegar and stir with a fork until smooth. You can also put egg mixture in food processor and pulse until smooth. Spoon egg mixture into egg whites. Sprinkle yolk mixture with paprika.