Preheat oven to 375 degrees.
Grease an 8x8 or 9x9 baking dish with olive oil.
In a large bowl, toss together the zucchini, tomatoes,onion, dried oregano, dried basil, salt, and pepper.
Spoon the mixture into the prepared pan.
Top with panko, and dot with room temperature butter.
Sprinkle with parmesan.
Cover the baking pan with foil, and bake for 15 minutes.
Remove foil, and bake for an additional 15-20 minutes, oruntil the vegetables are bubbly and softened, and cheese is browned.
Top with tarragon, parsley, chives, and thyme, and let theresidual heat wilt the herbs.
Stir the wilted herbs into the zucchini mixture when serving.
Serve hot, or warm. Can be refrigerated in an airtightcontainer for up to 3 days.