Cookies "bagels"

Crumbly and very delicious !!!
 
we need:
butter 125g
sour cream 2 tbsp
sugar 50-80 g of (+ on posypku)
soda 1/4 tsp
vanilla 1/4 tsp
cocoa - powder 1 tsp
230 g flour
powdered sugar for sprinkling

Butter to soften, with sugar. Add sour cream and vanilla and baking soda. Stir. Flour mixed with cocoa, sifted. Knead a soft dough. Remove in the cold for 2 hours.
Then divided into two parts, roll each into a circle.
Cut into segments (one lap 8 pieces).
Twist from the outer edge to the center. Dipped in sugar, lay on parchment and bake at 180 * around 20-25 minutes.
Cool, sprinkle with powdered sugar if desired.

Enjoy your tea !!!