Ingredients

The following ingredients have 8 Servings
  • 5 tablespoons unsalted butter
  • 1 medium onion (finely chopped)
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon coarse salt
  • 1 teaspoon Italian Seasoning
  • 1/2 teaspoon black pepper
  • 4 cups whole milk
  • 2 1/2 cups mozzarella cheese or parmesan cheese (shredded)
  • 6 cups thinly sliced peeled potatoes (about 5-6 medium potatoes)

Instruction

  • First, preheat the oven to 375 degrees F.
  • Grease a 9x13 inches deep baking dish and set it aside.