1 small onion
200g tin of sweetcorn, drained
2 tomatoes, halved
oil, for cooking
3 tsp Mexican seasoning, such as mild taco seasoning
4 large soft tortilla wraps
200g/7oz grated cheese, such as Cheddar
4 tbsp natural yoghurt, to serve
600g/1lb 5oz skinless, boneless turkey breast or thigh