Preheat oven to 375 degrees F.
In a deep-sided baking dish, layer 1/2 of the sliced zucchini; place tomato slices over zucchini. Season with salt, pepper, onion, and garlic.
Then layer the remaining zucchini slices over the top. Spread grated Parmesan cheese over the top and sprinkle with thyme.
Spread chopped tomatoes onto top of cheese and sprinkle bread crumbs onto top of mixture.
Bake approximately 30 minutes or until zucchini is soft. Remove from oven and serve.
Makes 4 servings.
Zucchini Parmesan Supreme Recipe: https://whatscookingamerica.net/vegetables/zucchiniparm.htm