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 the removed bread pieces for dipping.
03 - Place the cob loaf on a parchment-lined baking sheet. Attach the small bread roll to the top front of the cob for the bunny head, securing with toothpicks if necessary. Position two small rolls at the base as feet. Cut the breadstick in half lengthwise and insert both pieces behind the head to form ears.
04 - Press raisins or olives into the head for eyes, attach the baby carrot as a nose, and insert small sprigs of parsley or chives as whiskers. Brush all exposed bread surfaces with the beaten egg wash.
05 - Bake for 12-15 minutes until lightly golden and firm to the touch. Allow to cool slightly before filling.
06 - While bread bakes, place eggs in a saucepan and cover with water. Bring to a boil and cook for 10 minutes. Drain and cool under cold running water. Peel shells and chop eggs coarsely.
07 - In a large bowl, combine chopped eggs, mayonnaise, sour cream, Dijon mustard, chives, salt, pepper, celery, and bacon if using. Mix thoroughly until well combined.
08 - Spoon the egg salad mixture into the hollowed bunny cob immediately before serving. Arrange reserved bread pieces around the base for dipping.