01 -
Toast all slices of sourdough bread until lightly golden. Evenly spread unsalted butter on both sides of each piece, approximately 1 teaspoon per slice.
02 -
Arrange 8 toasted bread slices on a clean surface. Spread 1 tablespoon mayonnaise on one side of each slice.
03 -
On 4 slices, arrange romaine lettuce and tomato slices. Lightly season with kosher salt and freshly ground black pepper, then add 2 bacon slices to each.
04 -
On the remaining 4 prepared bread slices, add 1 slice cheddar cheese, 2 slices turkey, and 2 slices ham to each.
05 -
Place each meat and cheese-topped slice, ham side up, onto the corresponding bacon, lettuce, and tomato-topped slice to form stacks.
06 -
Spread 1 tablespoon mayonnaise on one side of the remaining 4 bread slices. Place these mayo-side down on top of each sandwich stack. Insert toothpicks to hold the layers together, slice each sandwich, and serve immediately.