Eggs, the oil, yogurt and soda and sugar, mix thoroughly. Begin to Knead the dough by adding flour until a soft dough. Split 6-7 balls, each individually Roll to thin sheet and a thin layer of jam mazhem. Optional sprinkle with Crushed walnuts. Rolled in and we cut about 2-3 cm. Arrange the cookies in the pan, greased or baking paper while leaving space between them. Bake in preheated oven at 250C degrees for 8-10 minutes. Not to overdo many are ready when they began to slightly redden. Of these products go three trays sweet. Are not very beautiful, but very tasty. Instead of jam, can be used and chocolate spread.