INGREDIENTS
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unsalted butter
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minced shallot
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large garlic cloves, minced
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panko (Japanese breadcrumbs)
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whole milk
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drained sauerkraut
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Dijon mustard plus more for serving
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caraway seeds, toasted, lightly crushed
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Kosher salt and freshly ground black pepper
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ground pork
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14-ounce package Dufour Pastry Kitchens frozen puff pastry, thawed
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All-purpose flour (for dusting)
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large egg, beaten to blend