4 grilled with peach and grapefruit Recipes

rice vinegar, brown sugar, chopped red onion, pink grapefruit sections (about 2 large grapefruit), mint leaves, salt, divided, pepper, divided, mahimahi or other firm white fish fillets (about 3/4 inch thick)

rice vinegar, brown sugar, chopped red onion, diced peeled ripe peaches (about 1 1/2 lb), pink grapefruit sections (about 2 large grapefruit), mint leaves, salt, divided, black pepper, divided, mahimahi or other firm whitefish fillets (about 3/4 inch thick)

grapefruit, peeled and sectioned, juiced, peaches, pitted and sliced into 8ths, honey, grapeseed oil, plus more for brushing, salt and freshly ground black pepper, arugula, scallions, finely sliced