Baked tomatoes, squash and potatoes

Ingredients:
Onion, tomatoes, yellow squash and potatoes, thinkly sliced
Olive oil, plus more for drizzling
Salt and freshly ground pepper
Tbsp fresh thyme leaves
Vegan parmesan cheese
Cook onion first until tender and slightly golden.
Arrange the onion on the bottom of the baking dish.
Overlap tomatoes, squash and potatoes.
Season with salt and pepper.
Sprinkle with thyme and Parmesan.
Drizzle with oil.
Heat oven to 375 F.
Bake covered for 30 mins. Uncover and bake until golden, 30 mins or more.
(From magazine)