Combine John West Garlic Prawns and taco seasoning. Cook following frypan packet directions, remove and keep warm.
Meanwhile, combine avocado, red onion, lemon juice, cumin, coriander, sour cream and chilli flakes in a bowl to make a guacamole.
Warm tortillas following packet directions. Top each tortilla with guacamole, cooked prawns, tomato, salad leaves and coriander. Serve immediately.