Yellow Squash Casserole

1/4 cup ranch salad dressing
1 egg, lightly beaten
2 cups shredded cheddar cheese
6 yellow squash, sliced about 1/4 inch thick
1 medium onion, diced
1/2 cup panko bread crumbs (regular bread crumbs or crushed saltine crackers could also be used)

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Preheat oven to 350 degrees. 

Mix together salad dressing, egg and 1 1/2 cups cheese.  Add in onion and squash, mix well.  Add dash of salt and pepper. 

Grease 2 qt casserole/ baking dish. Place mixture in baking dish.  Top with remaining cheese and the panko bread crumbs. 

Bake for 40 - 45 minutes, until squash is tender.