Sift <quantity>1½<unit>cup</unit></quantity> of all-purpose flour into a mixing bowl

Add <quantity>½<unit>tsp</unit></quantity> of salt. Make a well in the center and add <quantity>1</quantity> egg yolk

Add <quantity>2<unit>tbsp</unit></quantity> of sunflower oil and <quantity>½<unit>cup</unit></quantity> of hot water

Gradually mix the flour with the wet ingredients until you obtain a soft and pliable dough

Knead the dough to form a ball and wrap it in cling film

Place the dough in the refrigerator for 1h to relax. The vareniki dough is ready

Place <quantity>70<unit>g</unit></quantity> of white sugar and <quantity>40<unit>g</unit></quantity> of cornstarch in a bowl. Mix

Add <quantity>300<unit>g</unit></quantity> of defrosted sour cherries. Mix to combine and let it rest for 20m to marinate

Strain the cherries liquid into a saucepan over medium-low heat

Cook and mix constantly until it thickens. Remove from heat

Add the drained cherries and mix to meld together. The sour cherry filling is ready

Dust a clean work surface with flour and place the Vareniki Dough on it

Roll out the dough until it is <quantity>3<unit>mm</unit></quantity> thick

Punch it with a round cutter

Place a <quantity>1<unit>tsp</unit></quantity> of the Sour Cherry Filling. Fold the dough and pinch the edges to seal the vareniki

Fill half of a large pot with water and bring to a boil. Add <quantity>½<unit>tsp</unit></quantity> of salt

Carefully place the dumplings into the boiling water and simmer for 4m until cooked

Transfer the vareniki to a bowl and add <quantity>½<unit>tbsp</unit></quantity> of butter. Toss to coat them evenly

Plate the dumplings and pour sour cream to taste over them. The cherry vareniki are ready

Enjoy this traditional dish!