We love grilled zucchini. We usually cut it into long spears, but we decided to try a different method this time--let's call it the slab method. We were grilling one zucchini and one UFO-shaped yellow summer squash.
Seasoning (we used Old Bay Seasoning)
Slice the squash lengthwise into long, quarter-inch-thick slabs. Put them in a dish, drizzle with olive oil, and toss to coat. Put the slices on the grill and sprinkle with seasoning. Grill the squash slices for about 4 minutes. Then flip them over, sprinkle the other side with seasoning, and grill for another 4 minutes or so--until they are very flexible and have nice grill marks but aren't charred.
These were very tasty, as expected. We'd never tried Old Bay Seasoning on them before, but it was an excellent pairing.