Grilled Corn Tomato Cucumber Salad

ears corn (grilled, kernels cut off the cob)

tomatoes (roughly chopped (or halved or quartered if using cherry tomatoes))

sweet onion ((Maui, Walla Walla, or Vidalia) sliced)

cucumber (sliced lengthwise, seeds removed, and sliced into half moons)

olive oil

balsamic vinegar

salt and pepper (to taste)

fresh basil leaves (for garnish)