Maybe it's not me

I think there is something wrong with my oven. How hard is it to screw up chocolate chip cookies from the recipe on the back of a bag of chocolate chips? I think it must be pretty hard but I seem to have figured out a way. That's why I'm thinking it's my oven's fault. Maybe I have an oven demon that eats all the goodness out of food. What would you make of that Joss Whedon? Buffy never slayed a kitchen demon, unless you count Ted, who did make excellent chocolate chip cookies...