Summer Squash Gratin

2 large zucchini  sliced

2 large yellow squash  sliced

1 medium onion  sliced

½ cup of bread crumbs

1/3 cup grated Parmesan cheese

1 tsp dried thyme

½ tsp dried oregano

½ tsp salt

¼  tsp pepper

3 tbs. Olive oil
Preheat oven to 350 degrees and brush a 9 x 11 glass baking dish with oil.

 Slice zucchini, squash and onion  and set aside. Mix together bread crumbs, Parmesan, thyme, oregano, and salt and pepper.     Make 1 layer of the zucchini and the squash in the casserole dish and drizzle with Olive Oil . And sprinkle with  1 tbs. of the  bread crumb mixture.  Add 1 more layer  of the zucchini, squash, oil and crumb mixture, then add the onion slices over top and add 1 final layer of the zucchini, squash, oil and crumb mixture.  Cover with foil and bake until tender about 1 hour.  Uncover and top with remaining bread crumb  mixture, you  can add a little more cheese if desired and bake about 10 - 15 minutes more until crispy on the edges and golden brown on the top  and serve.