How do you screw up a hamburger?
1) Cook it medium rare when it was ordered medium well.
2) after it's been sent back only cook to medium.
3) serve it with cold soggy french fries.
4) serve it on a rock hard dry cold bun That was difficult to cut even with a butter knife.
One of the people in our party had to spend an hour in the bathroom after lunch!
Lunch was just nasty