Recipe:
Wheat flour 300 gr.
Butter 100 gr.
vanillin 1 teaspoon
Cake baking powder 1 teaspoon
Egg yolk 1 pc.
sour cream or yogurt 2 tablespoons
Milk 20 ml
Food coloring 1 teaspoon

Ingredients:
Walnut 150 gr.
Hazelnuts 150 gr.
sugar 6 tablespoons

Bake at 200℃ for 20 minutes.

Sprinkle with powdered sugar.

Bon appetit, my dear friends!