Nani's Mashed Potato Casserole
Ingredients:
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2 cups water
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¼ cup butter
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2 teaspoons instant minced onion
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2 teaspoons dried parsley
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1 teaspoon salt
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⅛ teaspoon ground thyme
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1 cup milk
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3 cups instant mashed potato flakes
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¾ cup sour cream
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shredded Cheddar cheese