I traveled to Britain recently and noticed chicken and mushroom pie on many pub menus. The dish is exactly as it sounds: chicken and mushrooms in a thick, aromatic white sauce, all encased in a buttery crust. It’s a fitting foil to Britain’s pitchy steak pies, and The Horse and Groom in Windsor makes a good one. After a full morning of navigating London public transportation and sightseeing one spring day in May, my husband and I looked into the old pub and were astonished that it has been around since at least 1719 under King George I. The small, timber-framed building itself has been standing since the 16th century.
Along with our ale, Rick had bangers and mash, while...