Sweet Potato, Sumac & Pomegranate Soup

Ingredients

• 1 medium onion, roughly chopped
• 2 garlic cloves, roughly chopped
• 1 red chilli, deseeded and roughly chopped
• 1 tsp sumac
• ½ tbsp coconut oil
• 400g sweet potatoes (about 2), peeled and roughly chopped into 2cm cubes
• 3-4 vine tomatoes, about 300g, roughly chopped
• 850ml vegetable stock
• 1½ tbsp pomegranate molasses