01 - Lay out the 4 slices of sandwich bread on a clean cutting board or flat surface.
02 - Spread approximately 1/2 tablespoon of mayonnaise evenly on one side of each bread slice.
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 - Place 3–4 fresh basil leaves on top of the seasoned tomatoes on each sandwich, if desired.
06 - Top each with the remaining bread slices, mayonnaise side facing down, and gently press together.
07 - Cut each sandwich in half diagonally or straight down the center and serve immediately for optimal texture and freshness.