Fry the bacon until it becomes crispy and drain it on paper towels.
Toast all the bread slices until golden and set aside.
Arrange the bread slices on your workspace in four rows of three slices each and lightly spread under a teaspoon of mayonnaise on each piece.
On the first slice of each row, add one slice of cheddar cheese, a quarter of the turkey, and a few tomato slices; place the middle slice of bread on top, mayonnaise side down.
Spread the rest of the mayonnaise on the exposed tops of the middle slices.
Layer bacon, lettuce, and ham on top of the middle slice.
Complete the sandwich with the third slice of bread, mayonnaise side down.
Secure the sandwich with toothpicks if desired and cut it into halves or quarters.
Serve right away for the best taste.
