large (340g to 397g) zucchini, sliced into 1/4"-thick disks • any seasoning or herb and spice blend, divided (I used tarragon) • cherry or grape tomatoes, halved • Goat cheese or ricotta cheese • table salt • freshly ground black pepper, to taste • lemon zest, optional • bit of milk, if using goat cheese, or 1 large egg, beaten, if using ricotta • grated Parmesan cheese, divided • puff pastry sheet • large egg, beaten with 1 tablespoon water, for egg wash