Bacon sandwich:DISH_VARIATION:BLT####Bacon sandwich:INGREDIENT:Ketchup####United Kingdom:LEADER_NAME:David Cameron####BLT:DISH_VARIATION:Club sandwich####Bacon sandwich:COUNTRY:United Kingdom
A bacon sandwich, to which ketchup is sometimes added, is a variation of the BLT, which is a variant of the club sandwich. Bacon sandwiches are popular in the UK, where David Cameron is the leader.