Making cookies isn't always easy.<br />Business Insider broke down some common mistakes when making cookies.<br />Sometimes forgetting to chill the dough can cause cookies to spread too much in the oven.<br />Overcrowding the pan can lead to some wonky cookies.<br />Opening the oven door too many times can make it tough for cookies to bake evenly.<br />Avoid overmixing the dough.<br />Using stale baking powder or soda might make the cookies fall flat.
