Ok, so if I want to make cookies Thursday night, but don't have a whole lot of time, would it be ok to make the dough on Tuesday and keep it in the fridge till Thursday?
I see that refrigerator cookies (which can be kept in the fridge before baking for up to a week) contain eggs. So it doesn't seem to be a question of food poisoning. And I know that recipes containing baking powder shouldn't be kept too long before baking. The recipe in question (which is the double chocolate brownie cookie recipe posted the other day by Katie Nell) contains eggs but no chemical leavening.