01 - Preheat oven to 350°F.
02 - Slice off the top of the cob loaf and hollow out the center, leaving a 1-inch thick shell. Reserve removed bread pieces for dipping.
03 - Place cob loaf on a parchment-lined baking sheet. Attach small bread roll to top front for head using toothpicks if needed. Position two small rolls at base as feet. Cut breadstick in half to form ears and insert behind head.
04 - Place raisins or olives for eyes, baby carrot for nose, and small parsley or chive sprigs for whiskers. Brush all exposed bread surfaces with beaten egg.
05 - Bake for 12-15 minutes until lightly golden and firm. Cool slightly before filling.
06 - Cook eggs in boiling water for 10 minutes. Transfer to cold water bath, peel, and coarsely chop.
07 - Combine chopped eggs, mayonnaise, sour cream, Dijon mustard, chives, salt, pepper, celery, and bacon (if using) in large bowl. Mix thoroughly.
08 - Spoon egg salad mixture into hollowed bunny cob just before serving. Arrange reserved bread pieces around for dipping.