Wild salmon with corn & pepper salsa salad

Name: Wild salmon with corn & pepper salsa salad
Prep time: 15 min
Cook time: 12 min
Total time: 27 min
Cuisine: Mexican
Ingredients: 1 garlic clove; ½ tsp mild chilli powder; ½ tsp ground coriander; ¼ tsp ground cumin; 1 lime , grated zest and juice, plus wedges to serve (optional); 2 tsp rapeseed oil; 2 wild salmon fillets; 1 corn on the cob , husk removed if attached; 1 red onion , finely chopped; 1 avocado , stoned, peeled and finely chopped; 1 red pepper , deseeded and finely chopped; 1 red chilli , halved, deseeded and chopped; ½ pack coriander , finely chopped