Speculoos

Take the butter out in order to warm it up.
Prepare the spices by mixing them all together, 1 spoon of ginger, 1 spoon of nutmeg, 3
spoons of cinnamon.

Mix the sugar and the spices in a big bowl. 
Add the pieces of butter and the egg.
Mix everything together until it forms into a dough.

Add the flour litte by little and mix with a spatula.
Add the salt, the baking powder and mix.

Put in the fridge for at least 2 hours. (overnight is fine too)

Preheat the oven at 180.
Form 3 balls with the dough and spread it between two pieces of cooking paper until it is 3 or 4 mm.
Cut out the cookies and lay them on a baking tray. 
Cook for 10 minutes between 180 and 200.