Leftover Thanksgiving Sliders

Bahan-bahan (12 porsi)

• 1 (12-ounce) package Hawaiian sweet dinner rolls (such as King’s Hawaiian)
• 2 tablespoons mayonnaise (or plain Greek yogurt)
• 1 ½ tablespoons Dijon mustard
• 12 ounces leftover turkey slices
• 1 ⅔ cups cooked stuffing
• 1 cup cranberry sauce
• 1 ½ cups shredded mozzarella cheese (provolone, cheddar, or Havarti cheese, divided)
• 6 tablespoons unsalted butter (melted)
• 2 teaspoons poppyseeds