The Practice Of Cooking Of Food Instead Of Eating It Raw Is Considered To Mark The Beginning Of Cultural Evolution Of Humankind. Not Only Did It Enable Him To Eat Kinds Of Foods That Were Inedible Before But It Also Provided Him With Food Security. The Peripatetic Lifestyle He Had To Adopt As A Hunter Gatherer Could Now Be Abandoned And Humans Could Now Settle Down At One Place. The Leisure Time Also Opened New Vistas For Creative Pursuits.