For warm water add a tablespoon of starch, stir. Sprinkle with flour, knead the dough begin to gradually add olive oil to it. Total of olive oil on the dough should take half a cup. Continue to knead until the dough becomes smooth in consistency and elasticity. Cover the dough with a towel and leave it to "rest."
At this time, the bulbs are peeled, cut into half rings and fry in olive oil until transparent. My tomatoes and coarsely cut. Add them to the onions. We reserve stewed for 10-15 minutes. Salt and pepper. Simmer a few more minutes and remove from heat.
Dough divide into two parts - one more than the other. Most of the roll out with a rolling pin to a thickness of less than a centimeter. Minor until we remove to the side. Spread a layer of rolled out dough on a greased deep form, leaving the edges of the dough to the flanges. Put the filling on the dough. Then roll out the dough a smaller portion of the stuffing and cover it. Top pierce with a fork and smeared with olive oil. Bake in preheated oven to 180-200 C for 30-40 minutes.