Finely grate the parmesan. Wash thyme, dab dry, pluck leaves from the stalks and chop finely. Mix grated lemon peel with oil. Stir in parmesan and thyme. Wash chicken legs, dab dry.
Season with salt and pepper. Turn first in flour and then in whisked egg. Turn in the parmesan and thyme breading and press down firmly. Place on a greased baking tray and bake in a preheated oven (electric range: 175 °C/ gas: level 2) for 25-30 minutes.