Squash & Ham Casserole

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An abundance of yellow squash and leftover ham led to this quick and easy supper dish.
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Squash & Ham Casserole
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2 cups yellow squash
1 cup chopped ham
1 medium yellow onion
1 can cream of celery soup
1 cup cheddar cheese
1/4 teaspoon black pepper
1/4 teaspoon sea salt
1/4 teaspoon garlic powder
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Pre-heat oven to 350 degrees. Wash and slice squash. Slice onion. Cover squash & onion with water in a medium pan. Boil for 15 minutes and drain. Add all ingredients to squash & onion. Pour into small casserole dish. Bake at 350 for 30-35 minutes.