- Put the bread in the food processor and whizz to make breadcrumbs. Add the garlic and basil and whizz again for 30 seconds. Add the lamb and whizz for 30 seconds.
- Add the crumbled feta and salt and pepper and pulse 3 or 4 times until it is mixed in.
- Form the meat into 4 burgers.
- Heat the oil in a frying pan and fry the burgers on a medium heat until browned on both sides and cooked through.
- Squeeze moisture from the cucumber and mix together with the other tzatziki ingredients.
- Serve the burgers with the salad and tzatziki or in a bun or pitta bread.