01 - Toast all 12 bread slices until golden brown and crisp.
02 - Lay out 4 bread slices and spread each with mayonnaise. Layer turkey slices, lettuce, and avocado slices on top.
03 - Lightly season the assembled layers with salt and freshly ground black pepper.
04 - Place a second toasted slice on each sandwich and spread with additional mayonnaise.
05 - Arrange tomato slices and 2 bacon strips on each sandwich.
06 - Top each with the final bread slice to create the triple-decker structure.
07 - Gently press sandwiches together, secure each with wooden picks, and cut diagonally into triangles.
08 - Serve immediately with chips or pickles if desired.