Beat "soft unsalted butter" and "brown sugar" and "salt"

Add "egg" and mix well

Add "all-purpose flour" and "baking soda" and continue beating it until smooth

Add "vanilla extract"

Add "chocolate chips" and if you are lazy add "M&M" too or put them neatly however you like later before baking

Lay the dough nice on the baking tray however big or small or whichever shape you like

Bake at 160C for 13-15 minutes