Griddled polenta with corn green salsa

Name: Griddled polenta with corn & green salsa
Ingredients: 375g box polenta; 398g can sweetcorn drained; 1 red chilli deseeded and finely chopped; 50g vegetarian Parmesan-style cheese grated; 2 avocados peeled and chopped into chunks; 1 cucumber chopped into chunks; 4 spring onions sliced; small bunch coriander leaves roughly chopped; juice 2 limes; 4 tbsp olive oil