in baking why is egg whites whipped I know it bakes different things I just want to know why is the stuff peaks mixing method used. why does it create dough cake batter and even whipped cream batter . when do u cook the eggs in baking which liquids can be used what method is this called can someone give me advice. I can bake a cake and chocolate chips cookies basic but I don't understand how to make the whip cream. what egg whites used for why do chefs sperate the egg whites and the yolks what does that create usually