Ingredients for - Scalloped Potatoes

1. Potatoes, thinly sliced 3 pounds
2. Onion, thinly sliced ½
3. All-purpose flour, divided 9 tablespoons
4. Butter, diced and divided 6 tablespoons
5. Salt and ground black pepper to taste 6 tablespoons
6. Whole milk, or as needed 3 cups

How to cook deliciously - Scalloped Potatoes

1 . Stage

Preheat oven to 375 degrees F (190 degrees C). Grease a 9x13-inch baking dish.

2 . Stage

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. Dotdash Meredith Food Studios

3 . Stage

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. Dotdash Meredith Food Studios

4 . Stage

Bake in the preheated oven until potatoes are tender, 45 to 60 minutes. Serve hot and enjoy! DOTDASH MEREDITH FOOD STUDIOS