First, prepare the blueberry layer: mix the starch (2 tbsp), sugar (3 tbsp), place the blueberries (I used frozen, thawed beforehand is not necessary) and mix well.

Next, make the dough: flour (1 2/3стак (one glass and two-thirds)) mix with baking powder and salt, sift. Softened butter, mix with sifted flour until education crumbs (I do it by hand). Then add sour cream (100 g) and quickly knead the dough, roll it into a ball, cover with film and put in the cold for 30 min.

Prepare cheese layer: RUB the cottage cheese with egg, add 1/3 Cup sugar and vanilla, mix well. Add 2 tbsp flour and 100 grams of sour cream, whisk well

After 30 minutes take out the dough from the cold. Detachable 1/4 for decoration and put it in the fridge. The rest of the dough roll into the reservoir, the reservoir should be of such size that, put it into a form that you can shape a side height of 4-5 cm. Spread the batter into the pan, forming a rim. Next, spread the cheese layer. Blueberry layer spread on top of cheese layer. Take out of refrigerator 1/4 of the dough and roll out, make it a grid, pressing the edges of the strips to the side, then a side bend. Bake at 190-200 degrees for 50 minutes. The finished cake to cool in the form.