Air-Fryer Veggie Sausage Casserole
Vegetarian sausages air-fried alongside red onion and pepper, then stirred into a smoky tomato sauce with cannellini beans. The kind of bean-and-sausage stew that's been on British dinner tables for decades, made faster and lighter — the air-frying step browns the sausages properly.
The British sausage-and-bean casserole is one of those dishes that gets cooked in every household in November, makes huge batches, and freezes well. The traditional version is meat sausages, tomato sauce, beans, slow-cooked for forty-five minutes. The vegetarian version needs a slight rethink because veggie sausages don't develop the same fond as meat ones — they need a dedicated browning step before they go into the sauce, or they end up pale and sad.
This is where the air fryer earns its keep. While you cook the sauce on the hob, the sausages crisp in the basket for ten minutes, then you cut them into chunks and stir them through the sauce. They've developed proper caramelisation on the outside, which gives the casserole a savoury depth that "veggie sausage in tomato sauce" usually lacks.
The photo shows the bowl: chunks of browned veggie sausage in a brick-red sauce flecked with sliced red onion, red bell pepper strips, and creamy white cannellini beans. On a navy-blue ceramic plate, sitting on a darker blue napkin. It looks like proper food — not like the apologetic vegetarian version of something.
Method
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01
Prep the air-fryer batch
In a bowl, toss the bell pepper and red onion with the olive oil
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02
Air fry
Heat the air fryer to 400°F (200°C). Cook 12–14 minutes, shaking
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03
Build the sauce base
While the air fryer runs, heat the olive oil in a large saucepan
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04
Simmer the sauce
Add the crushed tomatoes, beans, stock, balsamic vinegar, brown
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05
Combine
When the sausages are done, slice each into 4 large chunks. Stir
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06
Serve
Ladle into bowls, scatter parsley over the top. Serve with thick