Pumpkin Sweet Potato Soup

Ingredients

• 30 oz pureed pumpkin or four cups cubed fresh pumpkin
• 2 sweet potatoes peeled and cubed
• 1 onion roughly chopped
• 6 cloves garlic sliced
• 1 tbsp red curry paste
• 1 cinnamon stick
• 2 tsp garam masala
• 3 cups vegetable or chicken stock
• 15 oz light coconut milk
• 1/2 cup plain yogurt for garnish