4 medium zucchini, hollowed out, flesh reserved and chopped
2 strips bacon, chopped
1/2 cup finely minced onion
Salt and freshly ground black pepper
2 vine-ripened tomatoes, seeded and chopped
2 cups fresh corn kernels (from about 2 ears of corn)
2 small zucchini, diced into 1/4-inch pieces
2 tablespoons chopped fresh cilantro leaves
8 small cherry or grape tomatoes
4 (4 to 6-inch) skewers
2 zucchini slices, halved
2 green onions, green parts only