Summer Vegetable Salad

ears corn, shucked

medium orange, red, or yellow bell pepper, cut into 1/2-inch wide strips

Olive oil for brushing

cherry or grape tomatoes, halved

English cucumber, cut into half moons

radishes, thinly sliced

feta cheese, queso fresco, or shaved ricotta salata cheese

coarsely chopped herbs such as cilantro, chives, basil, or mint

Kosher salt and pepper,

large limes, cut in half crosswise

olive oil, plus more for brushing

small shallot, finely chopped

garlic, minced

kosher salt