Deviled eggs: Peel eggs and halve lengthwise. Remove yolks, leaving whites intact, and add to a small bowl. Mix in mayonnaise, mustard, lemon zest, dill, and salt. Mash with a fork until smooth. Pipe or spoon yolk mixture into whites. Sprinkle with additional dill just before serving.
Bloody Mary: Fill a pitcher with tomato juice. Stir in cornichon brine, minced pepperoncini, horseradish, hot sauce, Worcestershire sauce, and pepper. Fill 4 glasses with ice, add 1 1/2 ounces vodka to each, and top with tomato juice mixture. Garnish with cornichon, pepperoncini, lemon wedge, and celery stalk.