Potatoes clean, wash. Boil in salted water until tender. Make mashed potatoes with the addition of 30 g of butter. Cucumber cut into cubes.

Meat finely cut and fry in the remaining oil over high heat, season with salt and pepper. Add roughly chopped onion and cook for 10 minutes under a lid over medium heat. Then to take the lid off and simmer on high heat until complete evaporation of moisture.

Layers of thawed dough cut into 12 equal rectangles. Roll out each to do with the opposite sides of the incisions.

Put on the dough 1 tablespoon of the potato and flatten the surface. For potatoes put the meat, meat and pickles. Wrap the dough alternately with the two sides, so the cuts were in the middle of the pie and like each other. Stung the edge, giving the product the shape of boats.

Baking tray lay a baking paper. Lay out boats, sprinkle with grated cheese, brush with beaten egg. Bake at 200 °C until a nice Browning for about 15-20 minutes.