Slow Cooker 4-Ingredient Bangers and Onions
Few comfort foods evoke the cozy warmth of a traditional British pub quite like Bangers and Mash dripping in rich, caramelized onion gravy. While the traditional stovetop method requires standing over a sputtering skillet and whisking gravy to prevent lumps, letting your slow cooker handle the heavy lifting turns this classic into an absolute breeze.
With just 4 main ingredients and less than 10 minutes of active prep, you end up with plump, juicy sausages bathed in a silky, deeply savory onion sauce.
The 4 Essential Ingredients
The magic of this recipe lies in how these four simple components melt together over low heat:
Pork Sausages (Bangers): Classic Cumberland, Lincolnshire, or high-quality thick pork sausages work best. Avoid ultra-lean sausages as they can dry out during long cooking times.
Onions: 2 to 3 large yellow or brown onions, thinly sliced. As they slow-cook, their natural sugars release, creating a sweet, caramelized base.
Beef Broth or Stock: Adds deep, savory umami depth. For a pub-style variation, swap half of the stock for a dark ale or hard cider.
Onion Gravy Granules or Mix: 1 packet of gravy mix (or ~3 tbsp onion gravy granules) thickens the sauce as it cooks and intensifies the savory flavor.
Optional Prep Tip: For extra depth and crisp skin, quickly sear your sausages in a hot skillet for 3–4 minutes before placing them in the slow cooker. However, if you're short on time, putting them in raw works perfectly!
How to Make It
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