Found some interesting past posts on creaming butter in Google, but I still have a question: In recipes such as cookies, you are asked to "cream" the butter with sugar, but not to "over cream" the butter; creaming the butter until it is fluffy--does this mean that if the butter is over creamed, that it will no longer be fluffy...? (In other words, how does one ascertain that butter has become over creamed?)
Still making flat cookies since 2002. Hehe, actually, a link provided a while back has helped much--mostly chilling everything. Once I make the dough, roll up the cookies and place them on the cookie sheet, _then_ I start to preheat the oven and place the cookies on the sheet into the 'fridge. After the oven is heated, I'll put the nicely chilled cookie dough into the oven (if there is more than one batch, I take an additional cookie sheet, put more dough balls on them and put them in the fridge while the others cook). This has really reduced my mutated-boneless-looking cookies of the past ;)
As always, I wish to learn more, that is why the question.
~Glenn
PS: thanks to everyone for all the great help you give; you make a newbie feel welcome :)