01 - Toast all 12 bread slices until golden brown and crispy.
02 - Lay out 4 slices of bread and spread each with mayonnaise. Layer turkey slices, lettuce, and a few avocado slices on top of each.
03 - Season the first layer lightly with salt and freshly ground black pepper to taste.
04 - Place a second toasted slice on each sandwich and spread with more mayonnaise.
05 - Add tomato slices and 2 bacon strips per sandwich on the middle layer.
06 - Top each triple-decker with a final bread slice to close the sandwich.
07 - Gently press sandwiches together and secure each with wooden picks. Cut each sandwich diagonally into triangles for serving.
08 - Serve immediately with chips or pickles on the side if desired.