Core the tomatoes, cut into 6-8 wedges, then cut each wedge in half. Place the tomatoes into a large bowl, sprinkle with a pinch of brown sugar, salt, and pepper, and toss really well.
Cut the cucumber in half lengthwise, then slice it into 1/4″ thick slices. Add the cucumbers to the tomatoes.
Slice half the red the onion into very thin slivers crosswise. Then cut
