Turn on an air circulation oven to 180 degrees C and set the rack to the middle position.

Whisk together the granulated and brown sugar along with the butter and salt to a smooth paste.

Add to the above the egg and the vanilla extract and combine well.

Add the flour and the baking soda and mix together with a spatula without overworking. Drop in the chocolate chips and chunks and fold. Refrigerate for 1 hour or even overnight.

Take an oven proof tray and place a parchment paper. Scoop the cookies mixture while leaving 4-5 cm space in between them and bake for about 12 minutes until the edges of the cookies start to brown just a bit. Allow to cool and enjoy.