Kaffikaka

Coffeecake

Ingredients

Ingredients for the streusel topping

80 g powdered sugar
2 Tbsp sugar
240 g chopped nuts
1.5 tsp cinnamon
120 g flour
60 g soft butter
1/2 tsp vanilla flavor

Ingredients for the dough

4 egg yolks
200 g sour cream
1.5 tsp vanilla flavor
480 g sugar
480 g flour
1/2 tsp baking powder
1/2 tsp baking soda
1/4 tsp salt
170 g soft butter

Preparation

Preheat the oven to 350 °F (175 °C)C.

Mix the powdered sugar with the other sugar, the chopped nuts and the cinnamon. Then mix with the flour, vanilla flavoring and butter and make crumbles.

To make the dough, beat the egg yolks until foamy and mix with the sugar, baking powder, baking soda and salt. Stir in the soft butter, then add the sour cream. Spread the dough on a baking tray and spread the nut and crumble mixture over the dough.
 

Bake the cake in the oven for about 1 hour, then let it cool for a good quarter of an hour and remove it from the tin.

[Translated from here.]