For the turkey layers:

• Unsalted butter, for coating the pans
• 2 pounds ground turkey breast
• 1 cup quick-cooking oats
• 1/2 cup Parmesan cheese, grated on the small holes of a box grater
• 1/3 cup ketchup
• 1/3 cup finely chopped yellow onion
• 1/4 cup finely chopped fresh Italian parsley
• 1/4 cup Worcestershire sauce
• 2 tablespoons soy sauce
• 1 1/2 teaspoons minced fresh thyme leaves
• 1 teaspoon minced fresh sage leaves
• 1/2 teaspoon freshly ground black pepper
• 2 medium garlic cloves, minced

For the sweet potato layer:

• 1 pound sweet potatoes
• 1/4 cup whole milk
• 2 tablespoons unsalted butter (1/4 stick)
• 1 tablespoon packed light brown sugar
• 1 teaspoon kosher salt, plus more as needed
• Pinch ground mace or nutmeg
• Freshly ground black pepper

To assemble:

• About 5 cups of 1 recipe Sour Cream Mashed Potatoes, warm
• 1/2 cup cranberry sauce
• 2 1/2 cups Sausage Stuffing, warm
• 1 1/2 cups mini marshmallows
• Gravy, for serving (optional)

Final Result:

(Stock Image)