Meatballs with Potatoes and Cheese Baked Main - cookrisp

Ingredients

• 3 Russet potatoes, peeled and parboiled
• 1 white onion, diced
• Pinch dried paprika
• Pinch dried parsley
• Salt and freshly ground black pepper, to taste
• 2 teaspoons fine salt
• 0.5 teaspoon ground nutmeg
• 2 cups shredded mozzarella cheese
• 1.5 pounds ground beef
• 5 tablespoons unsalted butter
• 4 tablespoons all-purpose flour
• 4 cups whole milk