Preheat oven to 200°C/390°F (180°C fan-forced).
Grate the zucchini using a standard box grater. Place into a large colander, sprinkle with the salt, toss with your fingers and leave to sweat for 30 minutes.
Working a handful at a time, squeeze out the excess water and place the zucchini in a bowl.
Add the Batter ingredients except the feta and mix well to combine. Add the feta and gently stir through.
Dollop heaped tablespoons onto 2 trays lined with baking paper and shape them into cylinder 'tater-tot / potato gem' shapes.
Spray generously with oil. Bake for 30 minutes, swapping the trays at around 20 minutes, or until golden brown and a crunchy crust forms on the surface.
Serve with Minted Yogurt, lemon wedges and sprinkled with fresh oregano leaves if using.
Mix together ingredients for Minted Yogurt and set aside for at least 10 minutes before serving.
