01 - Lay out the bread slices on a clean cutting board or flat surface.
02 - Spread the mayonnaise evenly on one side of each bread slice.
03 - Arrange the tomato slices on two of the bread slices, slightly overlapping to fit.
04 - Sprinkle the sliced tomatoes with kosher salt and freshly ground black pepper.
05 - Place fresh basil leaves on top of the seasoned tomatoes for extra aroma.
06 - Top with the remaining bread slices, mayonnaise side down, to close the sandwiches.
07 - Gently press down on the sandwiches and slice each in half before serving immediately.