The potato beat Wimbledon favourite the strawberry and brussel sprouts to the title in a survey carried out by AXA PPP healthcare's Nutrition and Fitness website.
More than 3000 people took part in the survey exploring consumer preferences for fruit and vegetables, their purchasing criteria and knowledge of provenance.
A quarter of people questioned wrongly believed the tuber to be native to the UK.
#Russia agrees to lift British seed potato import ban http://t.co/FGQYsDp8q4 #Potatoes @PotatoCouncil
Belgian #Potato Sector Develops a New Platform to Increase the Production #Belgapom #Belgium ttp://bit.ly/1qJjT8T http://t.co/pXkxtQVf1F