01 - Toast all 12 bread slices until golden brown and crisp.
02 - Lay out 4 slices of bread and spread each evenly with mayonnaise. Layer turkey slices, lettuce, and avocado slices on top of each.
03 - Season each layer lightly with salt and freshly ground black pepper to taste.
04 - Place a second toasted slice on each sandwich and spread with additional mayonnaise.
05 - Add tomato slices and 2 bacon strips per sandwich on the middle layer.
06 - Top each with a final bread slice to create the triple-decker structure.
07 - Gently press sandwiches together and secure each with wooden picks to hold layers in place.
08 - Cut each sandwich diagonally into triangles and serve immediately, optionally with chips or pickles on the side.