Step 2

Heat a little oil in a frying pan over medium heat. Add the fish and cook until golden. Reduce the heat and continue frying until cooked through, about 10 minutes total. Cook in batches if needed.

Step 3

Make the dressing by combining the sour cream, lemon juice and garlic with a little seasoning.

Step 4

Warm the tortillas in the microwave for 5–10 seconds. Pile with avocado, lettuce and spring onion, add a spoonful of salsa, top with large flakes of fish and drizzle over the dressing.