These barbecued mushrooms with baby corn salad are a delicious vegetarian option for your barbecue. The mushrooms are marinated in a flavorful mixture of balsamic vinegar, garlic, and herbs, then grilled to perfection. The baby corn salad adds a refreshing crunch and sweetness to the dish. Serve these barbecued mushrooms as a side dish or as a main course for a vegetarian barbecue feast.