In my experience, I find that hot dogs are foolproof.
I have to be very careful as I have had acid reflux for so many years that I choke easily on foods, especially hamburger and lettuce. I never eat popcorn for that reason.
Hot dogs: they are currently on the dangerous list.
http://www.usatoday.com/news/health/2010-02-22-1Achoke22_ST_N.htm