Add the two drained tins of chickpeas to a food processor, along with the grated cheese, garlic powder, mixed herbs, and salt and pepper. Blitz until roughly chopped (you may need to scrape down the sides once or twice).

Next, add the eggs to the food processor, and blitz again until well combined.

Line a baking tray with non-stick foil, and spray lightly with oil. Remove the blade from the food processor and, using clean hands, form the mixture into burger shapes. I made 4 large burgers, but you could stretch the mixture to make 6 smaller burgers if you prefer. Place the burgers on the baking tray, and bake at 190°C (Gas Mark 5 / 375°F) for around 30-40 minutes, until the burgers are firm and golden brown.