Camilan Kerak Roti Thyme Parmesan

Bahan-bahan (6 porsi)

• 6 cups bread crusts ((enough to spread out over 2 baking trays), preferably stale)
• 7 - 8 tbsp olive oil
• 1/3 cup parmesan cheese (, grated)
• 1 1/2 tsp dried thyme
• 1/2 tsp salt ((or to taste))
• Black pepper
• Optional - fresh thyme to garnish