Easy Summer Squash Gratin

EASY SUMMER SQUASH GRATIN
Olive oil
1 medium Vidalia onion, thinly vertically sliced
1 large orange bell pepper, sliced
1 T. minced garlic
¼ c. dry white wine
Kosher salt, black pepper
2 c. thinly sliced zucchini
2 c. thinly sliced yellow squash
3 oz. whole-wheat bread
1 T. chopped fresh oregano
¼ c. grated parmesan cheese
Sherry vinegar

1. Preheat oven 450.
2. In a large skillet, drizzle with olive oil and place over medium heat.
3. Add the onion, bell pepper and garlic and saute 3-4 minutes.
4. Add wine, salt and pepper, cook another minute.
5. Spread this mixture in bottom of shallow 2 quart oven proof baking dish.
6. Arrange the zucchini and squash slices, alternating in a single layer over the onion mixture.
7. Place bread in food processor, pulse until coarsely ground.
8. Combine about 1 T. olive oil, breadcrumbs, oregano and cheese in bowl.
9. Sprinkle over the squash mixture.
10. Bake for 8 minutes.
11. Turn the oven then to broil (do not remove dish from oven).
12. Broil for 1-2 minutes or until browned.
13. Drizzle with the sherry vinegar, as desired.
14. You can also sprinkle more grated cheese if desired.