Anglo-French toastie

INGREDIENTS

• 2 slices white bread, around 1cm thick
• unsalted butter
• 15 g Comte cheese
• 15 g Westcombe or artisan Cheddar cheese
• 2 slices higher-welfare roasted ham
• ½ tablespoon white wine vinegar
• 1 tablespoon rapeseed oil
• freshly ground black pepper
• sea salt
• 1 small eating apple
• 1 handful mixed salad leaves , such as frisse, watercress, rocket