Preheat oven to 190 degrees C

Mix the flour, cocoa and salt and baking soda
In another bowl, mix butter, sugar and syrup, then add vanilla sugar and eggs
To this mixture, add other dry ingredients
Add chocolate chips
Form cookies and put on tray.
Bake for 8-13 minutes

Instructions for when put in a jar:

Preheat oven to 190 degrees C. Empty contents into a bowl. Add 125g softened butter, 1/2 tablespoon golden syrup, and 1 egg. Mix with fingers. Divide into 8 and squash onto a greased baking tray. Bake for 8-13 min. Enjoy!