3 grilled char tomato relish Recipes

red onion, vertically sliced, center-cut arctic char or salmon fillets, yukon gold or red potatoes, chopped fresh thyme, extra-virgin olive oil, divided, kosher salt, divided, freshly ground black pepper, divided, heirloom cherry or grape tomatoes, quartered, chopped fresh mint, capers, chopped, sherry vinegar, dijon mustard

ears shucked corn, olive oil cooking spray, kosher salt, divided, freshly ground black pepper, divided, tomatoes, halved, extra-virgin olive oil, balsamic vinegar, sliced fresh basil , plus whole basil sprigs for garnish (optional), salmon fillets