Subscriber Exclusive: Cook the Cover
Try 5 issues for £5 and get a FREE BBQ spice blend with your August issue
Make the dressing by combining the oil, soured cream and vinegar. Keep in the fridge.
Put the lettuce, sweetcorn, tomatoes and chicken in a lunchbox. Stir the lime juice into the avocado and put on top. Pack the dressing on the side.
Scatter the taco over the salad to serve.