fluffy potatoes such as king Edward, peeled and thinly sliced • large sweet potato, peeled and thinly sliced • red sweet pepper, deseeded and quartered • small courgettes, halved lengthways • red onion, peeled and quartered • spray of olive oil • gluten-free ciabatta bread • olive oil • balsamic vinegar • baby spinach leaves • salt & pepper • vegan parmesan optional