Ingredients:
125gr butter
300gr sugar
5 whole eggs
125gr walnut kernels
80gr white flour

Preparation:
In a medium mixing bowl soften butter, add sugar and stir energetically till mixture is creamy.
Continue to stir and add one egg per time, thinly crushed walnuts and sieved flour.

Grease with butter a round oven pan, cover the bottom pan with oven paper. Stir very well and pour in the oven pan.

Bake in oven using medium heat, remove from pan only when cooled.