I do it all the time. I burn food on the BBQ and I burn pizzas in the oven.
I try and prepare lunches a day ahead so that Warren has something decent to eat at work (instead of crappy carb-loaded food from a fast-food place or a vending machine) and every time I BBQ chicken, Brats or beef on the BBQ for his lunch (or even for our dinner), I burn the lot.
Regarding the pizza, whenever I buy frozen pizzas and attempt to cook them for a party or a group of people, they burn. I'll have at least one pizza that slips between the slats of the oven shelf and drips down onto the oven floor. Its useless even try cooking pizza - I have pizza delivered now.

Tomorrow I am roasting a turkey (lunch meat for a week) and I hope to high heaven that it turns out well!
Anyone have Martha Stewart's cell number handy?
..... UPDATED .....
I roasted the turkey today and had to add the photo (such a beaut!) Yaay me!!!