Place the bacon on a hot BBQ and spray every couple of minutes with the apple juice, until the bacon is crispy. Put the tomatoes on a skewer and BBQ until slightly blackened on the outside.
To make the mayonnaise, toast the freshly ground black pepper in a hot pan for a minute. Add to the mayonnaise with the lemon juice and mix well.
Build the baguette by cutting it down the middle and spreading the mayonnaise evenly, laying all the other ingredients on top.