According to Official Guinness Records,
The fastest time to eat a Ferrero Rocher chocolate with no hands is 8.04 seconds and was achieved by Thomas Gangstad (Norway) in Trondheim, Norway, on 23 February 2015.This record was broken on the Guinness World Record Challengers site (Challengers' tag: THOMAS.GANGSTAD): http://challengers.guinnessworldrecords.com/challenges/257-fastest-time-to-eat-a-ferrero-rocher-no-hands/attempts/6452
For a complete list of 2015 records, please visit 2015 Guinness Records in Norway.