To prepare the dough. The milk is slightly warm, pour the yeast, sugar, sift the flour, stir, cover and leave for approximately 15 minutes until bubbles appear.

The remaining sift the flour into another bowl, making a well in the flour, add salt, add the yeast mixture, pour the oil, put the yogurt, pour water and knead the dough. Cover the dough with a cloth and leave for 1 hour. Meanwhile, prepare the filling for the pie. Boil the potatoes, RUB them in order, cut Onion finely and fry in olive oil, mixed with mashed potatoes, season with salt and pepper to taste.

Generated pie. The finished dough divide into two parts. Roll out the cake oval. Knife to spend on the test, making the outline of a fish. From one end of the pellet cut out a trapezoid, with the narrow side which, cut out a triangle ( see photo) In the middle of the cake spread the filling, retreating from the edges by 3 cm and Then make slits with a width of 0.8 mm on both sides. Blend the cut-line and the strips on the filling, overlap and cross. From the remnants of dough cut out the fins and fasten on both sides.

Whisk the egg yolk with milk and grease the pie. Leave for 30 minutes and then bake at 200 degrees for 30 minutes ( focus on your oven. Bon appetit!