Veggie fajitas

Name: Veggie fajitas
Ingredients: 200g Quorn meat-free chicken pieces, defrosted; 2tsp smoked paprika; 1tsp cumin, ground; 1 tsp coriander, ground; ½ tsp salt; ½ tsp black pepper; ½ tsp chilli powder; 1 clove garlic, crushed; zest of 1 lime; 3 tbsp olive oil; ½ red onion, finely sliced; 1 red pepper, sliced; 1 orange pepper, sliced; 150g mushrooms, slicked; bunch fresh coriander leaves, chopped; 30g grated cheddar; salt and pepper; 4 tortillas or pitta breads; soured cream, to serve