Well id try to avoid death row in the first place and just pay for a good old fashioned burger with greasy tater tots and a cold root beer or coke. With a malted marshmallow shake for desert.
Probably a Filet Mignon (with A-1), au gratin potatoes, a crisp salad (with Hidden Valley Ranch), some steamed vegetables, a cold glass of A&W Root Beer, and a couple of pieces of apple pie for desert.
Might not be the greatest last meal, but it would be tasty. (I have yet to eat a Filet Mignon...)