- To make double chocolate chip cookies from scratch you'll need a fat (butter or oil), sweetener, vanilla extract, flour, eggs (depending on your sweetener), salt, baking soda, cocoa powder and chocolate chips.u003cbr/u003e- After mixing or creaming the fat and sweetener together, mix the extract and eggs (if using) in well. In a separate bowl, mix the dry ingredients together, then add the dry mixture to the wet mixture and mix until well combined.