Gennaro's beautiful leftover bruschetta

INGREDIENTS

• 1 slice sourdough bread
• 1 piece roast turnip
• 2 pieces roast beetroot
• 1 piece roast parsnip
• sea salt
• freshly ground black pepper
• extra virgin olive oil
• balsamic vinegar
• 1 clove garlic, unpeeled and halved
• 2 sprigs fresh flat-leaf parsley
• 1 handful mixed salad leaves, washed and spun dry
• 1 sprig fresh mint, leaves picked
• 1 lemon
• Parmesan cheese