You can most definitely use a food processor to make smoothies or other liquids instead of a blender. There are, however, some other steps you have to follow than simply adding all of the ingredients. ... Some food processors come with blender attachments that you can use. Which company is best for Best Food Processor ? Top brands about food factories and processors include Kenwood, Philips, Black & Decker, Braun, Cambridge, Gaba National, Absons, Beko, Sinbo and Panasonic.