Bangers and Mash Casserole is a comforting, oven-baked twist on the traditional British dish that combines savory sausages, creamy mashed potatoes, and rich onion gravy all in one hearty pan. It captures the essence of pub-style warmth and flavor, but with the added convenience of casserole-style assembly—ideal for busy evenings or cozy family dinners.
This version starts by browning pork sausages, known in the UK as bangers, until they develop a flavorful crust. They’re sliced and layered over a bed of mashed potatoes—either freshly made or repurposed leftovers—making this a fantastic recipe for reducing food waste. The dish is finished with a homemade onion gravy, built right in the sausage skillet for maximum flavor.
The gravy, made with sautéed onions, a roux of flour and butter, and a splash of Worcestershire sauce, offers a deep, savory profile. Thyme adds herbal warmth, while an optional topping of cheddar cheese creates a bubbly, golden finish in the oven. The end result is a casserole that’s equal parts creamy, savory, and satisfying.
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It’s a wonderful fusion of comfort food traditions: all the charm of a British pub meal, baked into the heartiness of a family-style casserole. This dish is sure to become a repeat favorite, especially during colder months when something rich and warm is just what the evening calls for.
Servings: 4–6
Total Time: 45 minutes (20 min prep, 25 min bake)
Ingredients :
- 4 to 5 pork sausages (such as bangers)
- 4 cups mashed potatoes (fresh or leftover)
- 1 large onion, thinly sliced
- 2 tablespoons butter
- 1 tablespoon all-purpose flour
- 1½ cups beef broth
- 1 teaspoon Worcestershire sauce
- ½ teaspoon dried thyme (optional)
- Salt and black pepper, to taste
- ½ cup shredded cheddar cheese (optional)
Instructions:
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