Source: Food Network Magazine, foodnetwork.com
1 onion, sliced
Salt and pepper
Zest and juice of 1 lemon
Preheat a grill to medium high. Toss summer squash and onion with olive oil, salt and pepper. Grill 3 to 5 minutes per side. Toss with more olive oil, lemon zest and juice, and some chopped parsley and mint. Top with shaved ricotta salata.