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–+ servings
French onion and sausage bean casserole in a black shallow casserole dish with a bowl of buttered cabbage in the background.

French Onion Sausage and Bean Casserole

By: Deborah
This French onion sausage and bean casserole is rich, comforting and packed with flavour. An easy one-pot dinner that's perfect for cosy evenings.
PREP: 15 minutes
COOK: 1 hour
TOTAL: 1 hour 15 minutes
Servings: 4 people
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Equipment

Ingredients

  • 2 tbsp olive oil
  • 8 pork sausages
  • 15 g (1 tbsp) butter
  • 2 large onions (approx. 500g) thinly sliced
  • salt and freshly ground black pepper
  • 1 clove garlic crushed
  • 1 tbsp thyme leaves plus extra to serve
  • 1 tbsp plain flour
  • 150 ml (5.1 floz) white wine
  • 500 ml (2 cups) chicken stock (made using a stock cube or pot)
  • 1 tsp Worcestershire sauce
  • 1 tbsp Dijon mustard
  • 2 x 400 g (14.2 oz) tins cannellini beans drained and rinsed
  • 2 slices sourdough bread (approx. 100g) cut into squares
  • 100 g (3.5 oz) gruyère grated

Instructions

  • Heat 1 tbsp of the olive oil in a large ovenproof shallow casserole, skillet or frying pan over a medium high heat. Add the sausages and cook them for 4 minutes until browned all over. Remove the sausages to a plate and set aside.
  • Add the remaining 1 tbsp of oil and the butter to the casserole. Once the butter has melted add the onions and cook for 20 minutes, stirring frequently, until deeply golden.
  • Preheat the oven to 200C/180C fan/gas 6.
  • Stir in the garlic and thyme leaves, then add the flour and cook for 1 minute, stirring until the flour is completely combined with the onions.
  • Pour in the wine and let it bubble for 2 minutes, then stir in the stock, Worcestershire sauce and Dijon mustard. Check the seasoning, adding more to taste, if required.
  • Stir in the beans and return the sausages, then simmer for 15 minutes.
  • Nestle the squares of bread between the sausages and top with the grated cheese.
  • Bake in the oven for 15 minutes, until bubbling and golden. Let the casserole rest for 5 to 10 minutes before serving scattered with extra thyme leaves.

Notes

  • Optional variations: 
    • Sausage, mushroom and bean casserole – add mushrooms alongside the onions for extra savoury flavour. 
    • Sausage and lentil casserole – replace some or all of the beans with green or brown lentils. 
    • Spicy sausage and bean casserole – use spicy sausages and add chilli flakes. 
    • Chicken sausage and bean casserole – use chicken sausages for a lighter version. 
    • Vegetarian sausage and bean casserole – use vegetarian sausages and vegetable stock. 
  • This French onion sausage and bean casserole recipe is easily adapted if you’re cooking for less people. 
 
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Nutrition

Calories: 1031kcal | Carbohydrates: 75g | Protein: 50g | Fat: 56g | Saturated Fat: 20g | Polyunsaturated Fat: 7g | Monounsaturated Fat: 25g | Trans Fat: 0.4g | Cholesterol: 135mg | Sodium: 1455mg | Potassium: 1663mg | Fiber: 13g | Sugar: 10g | Vitamin A: 523IU | Vitamin C: 14mg | Calcium: 473mg | Iron: 10mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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