Roasted Capsicums with Vinaigrette

This is a simple classic salad that gives you a few options for preparing capsicums (peppers). These days you can choose from red, green or yellow capsicums, as well as banana peppers and chillies, which can all be served singly or as a mixture, as the colours look quite beautiful. I like to grill (broil) or barbecue them until the skin is nice and blackened. Then I put them in a bowl and cover