You will need
Adjust the oven rack to the middle position. Preheat the oven to 180°C. Cut the bread into paper-thin slices.
Pack the slices out on a metal cooling tray that fits into your oven. Season bread very lightly on one side only. Lightly grate hard cheese over. Bake for ± 10 minutes until the toast is golden brown. Leave until completely cold and then store in an airtight container between layers of greaseproof paper.
Will keep for 2 – 3 days if kept well sealed.