SochnikiRecipe, English Subtitles. 

Delicate dough, airy filling, you can’t buy such juicers in the store. Recipe Below under the Video!!!
Make your loved ones and loved ones happy.
Bon appetit!
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Recipe:
Butter 70 g
Sour cream 4 tablespoons
Flour 400 g
Sugar
Pinch of salt
1 egg
Soda 1 tsp
For filling:
Cottage cheese 150 g
2 tablespoons of sugar
Sour cream 1 tablespoon
1 egg white
1 tablespoon of flour
1 egg yolk