KFC 32004 Alvarado Blvd, Union City, CA94587 KFC is the world's largest chicken restaurant chain, specializing in its original recipe. The recipe's secret is a…More special blend of herbs and spices (11 in total) to create its famous homestyle fried chicken. KFC also serves sandwiches and sides to go along with the chicken. KFC also offers a drive-thru option for ordering. This location is easy to find: just off of Alvarado Blvd., in a large shopping center.