Bangers and Mash with Stout Onion Gravy is a classic British dish that combines sausages, mashed potatoes, and a rich onion gravy made with stout beer. The sausages are pan-fried until golden and juicy, while the mashed potatoes are creamy and buttery. The stout onion gravy adds a deep, savory flavor to the dish, making it a comforting and hearty meal. This recipe is perfect for a cozy dinner or a traditional pub-style meal.