Au Gratin Peas and Potatoes is a comforting and creamy side dish that combines tender potatoes and sweet peas in a cheesy sauce. The potatoes and peas are layered in a baking dish, then covered with a creamy cheese sauce and topped with breadcrumbs. The dish is baked until golden and bubbly, creating a deliciously satisfying side dish. This recipe is perfect for a family dinner or a potluck gathering.