Grilled zucchini is already plenty delicious on its own, but adding a few dollops of herby whipped ricotta and crunchy toasted walnuts will transform how you look at the humble squash. Instead of ...

Add zucchini and toss until evenly coated. Cover and refrigerate for at least 3 hours or overnight, tossing occasionally. Prepare a medium-heat grill. Drain zucchini, arrange on grill grate ...