Bacon sandwich : dish_variation : BLT | BLT : dish_variation : Club sandwich | BLT : ingredient : Tomato | Bacon sandwich : country : United Kingdom | United Kingdom : leader_name : Elizabeth II
The BLT is a variation on the club sandwich. One of the ingredients of the BLT Sandwich is Tomato and Bacon sandwich is a variation of it. This one is popular in the UK, which head of state is Elizabeth II.