Vegetable casserole with dumplings

Name: Vegetable casserole with dumplings
Prep time: 30 min
Cook time: 1 h
Total time: 1 h 30 min
Cuisine: British
Ingredients: 1 onion, chopped; 1 tbsp olive oil; 2 tbsp butter; 25g/1oz plain flour; 1 tsp English mustard powder; 150ml/5fl oz apple juice; 900ml/1½ pint vegetable stock; 2 tbsp wholegrain mustard; 4 bay leaves; 450g/1lb peeled celeriac, chopped into 1–2cm/½–¾in thick, small wedges; 2 leeks, trimmed and cut into 2cm/¾in chunks; 100g/3½oz baby spinach; 400g tin cannellini beans, drained and rinsed; 1 tbsp chopped fresh tarragon; salt and freshly ground black pepper; 150g/5½oz self-raising flour, plus extra for rolling; ½ tsp baking powder; 25g/1oz cold butter, diced; 2 tbsp chopped fresh tarragon, plus a little extra to serve if preferred; ¼ tsp salt; 75g/2¾ oz natural yoghurt

Instructions

Prep:30minCook:1h

This wholesome warming one-pot vegetarian casserole is perfect for cold January nights. It's full of beans, celeriac and topped with fluffy dumplings. This wholesome one pot is perfect for cold nights – simple enough to whip up quickly, but smart enough to serve to friends.

Updated at: Tue, 11 Nov 2025 16:45:48 GMT