"This Potato Mushroom Boursin Au Gratin has tender slices of potatoes and mushrooms in a creamy and flavorful cheese sauce, topped with buttery bread crumbs...."
INGREDIENTS
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2 tablespoons butter
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2 tablespoons extra virgin olive oil, divided
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12 ounces baby bella (cremini) mushrooms, sliced
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1 tablespoon cognac
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4 ounces pancetta, diced small
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1 cup onions, diced
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2 pounds Russet potatoes, half-inch diced
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3 cups whole milk
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2 5.2-ounce boxes garlic and herb Boursin cheese
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2 tablespoons butter
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1 cup panko bread crumbs
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1 cup cheddar cheese, shredded