Chocolate Spread - cooking recipe

Ingredients

1 cup unsalted butter (8/10 of a cup to be exact)
1 cup sugar (about 180 to 200 grams)
3 whole eggs
1 (10 g) package vanilla sugar or 1 teaspoon vanilla extract
4 tablespoons cocoa powder

Preparation

Cut margarine into small pieces and put in blender.
Add the eggs, sugar, vanilla sugar, and eggs, and blend well.
Then add the cocoa powder and blend well again.
Put in a container and refrigerate.
I'm not exactly sure how long it lasts, but it doesn't really last long in my house. it does, however it does refrigerate very well.