The walnuts are roasted slightly and crush finely. Courgettes grate, add salt with 1 tsp salt and leave to drain water from the well. Must be well drained and dried - can absorb excess water with paper towels after you squeezed them. For the dough: eggs are broken, add the oil, yogurt and soda, 1 tsp salt and sugar. Finally put courgettes the walnuts and flour with baking powder last. Stir until everything is mixed to homogeneity. Try mixture and add salt or sugar, if needed. You can add the crumbled feta cheese or shredded cheese. suitable baking dish or cake pan (bread becomes small) is namaslyava very well, sprinkle with flour and pour the mixture on top. The bread is baked in a preheated oven (180C degrees) until ready (dry stick). * Instead of white flour can use a mixture of white and type - in a ratio of 1: 1.