01 - Lay out the 4 slices of sandwich bread on a clean cutting board or flat surface.
02 - Spread mayonnaise evenly on one side of each bread slice using a butter knife or spreader.
03 - Arrange the thinly sliced tomatoes on two of the bread slices, slightly overlapping each piece for even coverage.
04 - Sprinkle the layered tomatoes with kosher salt and freshly ground black pepper to taste.
05 - Top the seasoned tomatoes with fresh basil leaves for added flavor and freshness, if desired.
06 - Place the remaining bread slices on top, mayonnaise side down, to complete each sandwich.
07 - Gently press down on each sandwich and slice in half diagonally or straight down the center. Serve immediately for the best texture and flavor.