INGREDIENTS
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1 tbsp vegetable oil
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6 medium yellow summer squash, thinly sliced
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1 large vidalia onion, thinly sliced
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1 tbsp butter
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1⁄2 cup parmesan cheese, grated
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1 cup sharp cheddar cheese, shredded
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1⁄2 cup sour cream
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1 salt
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1 black pepper, freshly ground
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1 sleeve crackers, crushed medium to fine