Grate the courgettes and squeeze with your handsto remove as much water as possible (alternatively wrap use kitchen towel to absorb moisture).
Add the lemon juice, chilli flakes, oregano, mint (finely chopped) and mix well.
Crumble the feta into the mixture and stir in the egg and flour.
Heat the garlic-infused oil in a frying pan. Make small patties and fry these for a couple of minutes on each side or until golden.