The company, which is based in Kentucky and whose menus largely involve chicken, has announced plans to open over 500 new restaurants across the country.
These include drive-thru restaurants in Hemel Hempstead and Berkhamsted.
A company spokesman said: “We have bold ambitions to have over 1,000 stores in the UK and Ireland by 2020 and we are looking to build over 50 new stores a year.”
other planned locations are Hertford, Royston Drive, Cheshunt/ Hoddesdon, Hitchin, Potters Bar, Rickmansworth, St Albans, Stevenage, and two in Watford.