A process for the production of fresh masa, nixtamalized flour and derivedproducts. The invention is a new process tor production of com masa (dough) tobe used inthe production of tortillas, fried or baked tortilla chips, tostadas, or cornchips. The newprocess produces masa directly from raw materials without the traditionalcooking and steepingsteps. It utilizes a series of processing steps including dry blending,hydrating and workingdough in an extruder having a unique screw configuration. The new process usesvery littlewater and emits no waste water.