Melt the butter over medium-low heat.

Mix the melted butter, yogurt, olive oil and vinegar.

In another bowl mix the flour, baking powder, mahaleb, salt and sugar.

Then combine the two bowls. Obtain a non-sticky soft dough.

Cut into walnut sized pieces.

Roll each small ball in your palms to make long pieces.

Fold to make an “S” shape, then meet ends to create the shape required.

Place the shaped pastry on the oven tray.

Whisk egg yolks and spread on top of the pastries with an egg brush.

Sprinkle some nigella seeds.