1. Dough: Oil remove from the refrigerator in advance to have time to warm up to room temperature - it will be easier to mix the dough (do not need to melt). I kneaded the dough whisk, but you can beat with a mixer or a spoon to rub. Soft butter and caster sugar mix-mash with a spoon (or mixer) to dissolve the sugar began. Add one by one egg and sour cream, rub (or whisk) until sugar is dissolved, it will take a few minutes - should get a homogeneous, soft creamy mixture. Insoluble grains of sugar will be visible in the dough after baking - as brown flecks.
2. Top sift the flour with salt and baking powder, and quickly spoon or spatula knead the dough. Long knead dough and knead is impossible, it is "delayed" and becomes rigid. The dough turns soft, slightly sticky - put it for fifteen minutes in the refrigerator, and it will get stronger; and for cutting and sheeting pour flour.
3. Filling: From Egg to stuffing only protein, egg yolk, leave for the lubrication of the top juicy. All the ingredients are put in a bowl and combine Whisk whisking a few minutes, you should get a homogeneous mass of luxuriant.
4. Divide dough into 14-16 pieces and roll-juicy cakes. Alternatively, roll the dough all at once to a thickness of about half a centimeter, and the recess or cut mug mugs - a juicy turn out neat, smooth and equal.
5. At each place with a very filling and fold the top half juicy. Press gently on the edge, and zaschipyvat not necessary. Grease juicy yolk.
6. Bake in a preheated oven for about 15 minutes at a temperature of 210-220 degrees.