This iconic pot pie features tender chicken, peas, carrots, and celery in a rich, creamy sauce beneath a golden, buttery crust. The Walnut Room has served this dish for decades as part of its classic American menu, making it a nostalgic draw for both longtime Chicago residents and visitors. The generous portion arrives piping hot, with the crust still crisp enough to shatter under a fork before softening into the filling. Diners consistently highlight the comforting simplicity and quality of the ingredients, noting it as a signature reason to visit this historic dining room.