Ingredients

4.74 stars (723 reviews)

- SERVINGS 6    READY IN: 1hr 15mins

- 4 cups thinly sliced potatoes (very thin) 

- 3 tablespoons butter

- 3 tablespoons flour

- 1 1⁄2 cups (whole) milk

- 1 teaspoon salt

- 1 dash cayenne pepper (+ more)

- 1 cup grated sharp cheddar cheese

- 1⁄2 - cup grated cheese, to sprinkle on top

- paprika, salt, pepper, garlic powder

- In a small sauce pan, melt butter and blend in flour.

- Let sit for a minute.

- Add all of cold milk, stirring with a whisk.

- Season with salt and cayenne.

- Cook sauce on low until smooth and boiling, stirring occasionally with a whisk. (this takes 20-30 minutes)

- Reduce heat and stir in cheese.

- Place a half of the sliced potatoes in a lightly greased one quart casserole dish.

- Place half of the sliced onions on the potato layer.

- Pour half of cheese sauce over potatoes.

- Repeat with second layer of potatoes and cheese sauce.

- Place half of the sliced onions on the potato layer

- Sprinkle the remaining cheese on top.

- Top with some paprika for color.

- Bake uncovered for about 1 hour at 350°