Mexican Prawn Tacos with Pickled Vegetables

Ingredients

• 50ml rice or white wine vinegar
• 1 tbsp sugar
• 4 peppercorns
• 1 small red onion, thinly sliced
• 2 radishes, thinly sliced
• 10 cm piece cucumber, deseeded and sliced in thin half moons
• 1 small carrot, thinly sliced in rounds
• 2 avocado, halved, skinned and mashed
• 1 medium tomato, chopped
• 1 green chilli, deseeded and diced
• handful coriander leaves, roughly chopped
• 1 lime, zest and juice
• 2 tsp coconut oil
• 400g raw king prawns, defrosted if frozen
• 3 cloves garlic, sliced
• half lime, zest and juice
• 8 taco shells
• mixed leaves
• soured cream (optional)
• extra coriander leaves