Put the sugar in the bowl, pulverize: 10 sec. speed. Turbo.
Add all other ingredients except milk, mix: 15 sec. speed. 6 and then: 1 min. speed. Dough mode, add a few drops of milk with the blades in motion to make everything more homogeneous.
The dough should be soft but not too sticky, place the mixture with the help of a spatula on a sheet of plastic wrap, close to form a sausage and refrigerate for at least two hours.
After time, the mixture will be more compact, then cut the cookies about 5 mm thick, place them on a baking sheet covered with baking paper and cut them in the middle.
Bake in a preheated oven at 180°C for about 15 minutes.
Allow to cool completely and serve... Buon appetito!
*For celiacs, use gluten-free flour.
**For those who are intolerant to dairy products, use butter and lactose-free milk.