Mix yoghurt or sour cream with a manga and leave for 10 minutes to make the groats swell. Grate zucchini on a large grater, sprinkle ½ teaspoon of salt, mix and leave for 5 minutes.
Add egg and salt to the manna mixture and whisk. Squeeze squash from the liquid, squeeze it into the dough and mix thoroughly.
Lubricate the baking dish. Spread the dough over it with zucchini and sprinkle with grated cheese. Put the cake in a preheated oven for 180 ° C for 30 minutes.