Pumpkin soup with coconut milk

Ingredients

• 1 1/2 kilograms of pumpkin
• 1 red onion
• 4 garlic cloves
• 6 cm fresh ginger
• 3 fresh turmeric (or 3 teaspoons ground turmeric)
• 1 litre vegetable stock
• 400 ml coconut milk
• 1 orange
• 1 teaspoon ground cumin seeds
• 1 teaspoon ground coriander seeds
• 1 teaspoon ground cinnamon
• Salt and pepper to taste
• Handful of pumpkin seeds
• Fresh parsley, to garnish