Pigs in Sleeping Bags

INGREDIENTS

• 3/4 teaspoon caraway seeds, toasted, lightly crushed
• 1/4 cup minced shallot
• 1 14-ounce package Dufour Pastry Kitchens frozen puff pastry, thawed
• 1 large egg, beaten to blend
• Kosher salt and freshly ground black pepper
• 3/4 cup drained sauerkraut
• All-purpose flour (for dusting)
• 3 tablespoons panko (Japanese breadcrumbs)
• 3 tablespoons whole milk
• 2 large garlic cloves, minced
• 1 tablespoon unsalted butter
• 1 tablespoon Dijon mustard plus more for serving
• 8 ounces ground pork