Mom's Scalloped Potatoes

Ingredients

• Servings: 6
• 3 pounds potatoes, thinly sliced
• 1/2 onion, thinly sliced
• 9 tablespoons all-purpose flour, divided
• 6 tablespoons butter, diced and divided
• salt and ground black pepper to taste
• 3 cups whole milk, or as needed

Recipe

Preparation Time: 30 mins Cook Time: 45 mins Ready Time: 1 hr 15 mins


• preheat oven to 375 degrees f (190 degrees c). grease a 9x13-inch baking dish.
• spread about 1/3 of the potato slices into the bottom of the prepared baking dish. top with about 1/3 of the onion slices. sprinkle 3 tablespoons flour over the potato and onion. arrange 2 tablespoons butter atop the flour. season the entire layer with salt and pepper. repeat layering twice more.
• heat milk in a saucepan until warm. pour enough warm milk over the mixture in the baking dish so the top of the liquid is level with the final layer of potatoes.
• bake in preheated oven until potatoes are tender, 45 to 60 minutes.