Cookies lesson learned by paislie "Baking times differ the longer your stove has been on. (at least in my oven!)"
Cupcakes lesson learned by howtoeatacupcake "Never get frustrated when something goes wrong. The most important lessons aren't learned from getting things right; They're learned by making mistakes! Laugh about it, and keep trying until you get it right."
Cookies lesson learned by sbilokonsky "Use quality flavors."