Tom Yum Soup – Carol's Stock Market

Ingredients

• 1.5 litres Carol’s Stock Market Cottage Bone Broth
• 1 medium onion, roughly chopped
• 20g red chilli, sliced
• 15g galangal ginger, peeled & sliced
• 2 lemongrass stalks, bashed
• 6 kaffir lime leaves
• 150g tomatoes, roughly chopped
• 125g chestnut mushrooms, sliced
• 75ml tsp fish sauce
• 75ml lime juice
• 1 tbsp sugar
• About 275g whole raw king prawns, peeled, deveined, heads reserved