Spiced parsnip and apple soup recipe

Ingredients

• ½ tsp cumin seeds
• ½ tsp coriander seeds
• ¼ tsp green cardamom seeds (from 3-4 pods)
• 20g butter
• 1½ tsp olive oil
• 1 medium onion, chopped
• 350g young parsnips
• 1 garlic clove, crushed
• 2.5cm fresh ginger, finely grated
• ½ tsp ground turmeric
• ½ tsp garam masala
• 75g peeled and chopped bramley apple (about ½ medium-size apple)
• 600ml fresh vegetable stock
• 1 tbsp crème fraîche, plus extra to garnish
• 1 tsp chopped chives to garnish