- 2 tsp olive oil
 - 25g/1oz butter
 - ½ potato, sliced
 - ½ parsnip, chopped
 - 1 garlic clove, crushed
 - 1 tsp thyme
 - 200ml/8fl oz vegetable stock
 - salt and freshly ground black pepper
 - 1 tbsp yoghurt
 - 100g/3½oz Stilton
 - splash milk
 
- Heat the oil and butter in a saucepan. Add the potato, parsnip, garlic and thyme for five minutes over a gentle heat.
 - Add the stock, salt and freshly ground black pepper. Bring to the boil, then reduce the heat and simmer for 10-15 minutes, or until the vegetables are tender.
 - Add the yoghurt and Stilton and blend with a hand blender until smooth.
 - Return to the heat and add a splash of milk. Serve warm.