Strawberries to thaw. In warm milk thoroughly dissolve the yeast and 1 teaspoon of sugar, add 2 tablespoons of flour, stir to make a liquid dough, cover and leave in a warm place for 15 minutes. This is to ensure that the yeast is "alive". At this time, to make a "baking": melt the butter, pour it into a bowl, add salt, sugar, vanilla sugar, vegetable oil and egg, all lightly crush with a fork. In approaching the dough pour half a Cup sifted flour, stir, pour baking, stir, gradually adding the sifted flour and knead the dough, smooth and soft, flour not to interrupt much. Dough to shift in a bowl, cover and put in a warm place for 1 hour or more that it increased in 2 times. Punch down the risen dough, divide into 8-10 equal parts. The oven to turn 180 degrees, baking tray lay a parchment, grease it with butter. Roll cake on the sides to make cuts like in the picture, not to the end.

In the middle put some strawberries, sprinkle with sugar.

One edge of the slice to flip to the opposite.

And the other on the other side.

Lay the buns on a baking sheet at a small distance from each other. Grease muffin egg, immediately put in the still warm oven. Bake until Golden brown. The finished rolls sprinkle with powdered sugar.