Country Casserole with Spiced Cheese Dumplings

Name: Country Casserole with Spiced Cheese Dumplings
Cook time: 25 min
Total time: 25 min
Cuisine: European, American
Ingredients: Sunflower oil; 1 onion; 2 celery sticks; 2-3 carrots; 1 turnip; 1 swede (or sweet potato); 500ml Passata; Vegetable stock; 2 leeks; Parsley (for garnish); 125g self raising flour; 25g vegetable margarine; 50g cheese; Paprika; 4 tbsp milk