Grilled Corn Salad with Tomato and Avocado

ears sweet corn

garlic clove, pressed or minced

jalapeño, seeds and ribs removed, then minced

Kosher salt

Zest and juice of 2 limes

extra virgin olive oil

ripe avocados, halved, pitted, peeled and diced

halved cherry tomatoes

scallions, thinly sliced

finely chopped fresh cilatnro leaves

Freshly ground black pepper