While the cabbage is cooking, prepare the dough. Pour in the yogurt, spread with sour cream, break the eggs, add sugar and baking powder. Plug. I use al. Corolla. Then add the oat flakes to the mixture, stir and let them swell for 10 minutes. Sift the flour. Flour can be left and less. It depends. It took me 1 measuring cup of flour with a capacity of 250 ml, it turns out 150 g. Mix thoroughly with a whisk, and pour in 2 tablespoons of sunflower oil. Joined again. The dough is ready. The dough has a consistency similar to thick sour cream.