Whisk the sugar and butter until creamy.

Add eggs one by one to butter and whisk.

Sift flour, baking soda and salt in a bowl. Add to the butter and mix.

Chop the chocolate and fold into the dough.

Rest dough for 30 minutes in fridge. Preheat the oven to 190°C.

Scoop dough with tablespoon and roll little balls.

Bake at 190°C for 15-20min

Let cool cool on a cooling rack.