Skip to Main Content
Test Kitchen Approved

Simple Au Gratin Potatoes

Time: 1 hour 50 minutes

Yield: 8 servings

recipe image

About

Layers upon layers of tender potatoes and sweet onion sandwiching a creamy, cheesy sauce? Sounds heavenly! In fact, Simple Au Gratin Potatoes actually look like scoops of golden brown clouds. It’s a fluffy, hearty side dish with an aroma that brings people to the dining room. Simple Au Gratin Potatoes makes a perfect accompaniment to Thanksgiving dinner, steak, pork, chicken...anything you can imagine!

Recommended Articles

Ingredients

  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 1 1/2 teaspoons salt
  • 1/8 teaspoon pepper, with more for optional garnish
  • 2 cups milk, not skim
  • 1 cup cheddar cheese, shredded
  • 5 cups potatoes, peeled and thinly sliced
  • 1/2 cup onion, chopped

Directions

Step 1 -Preheat your oven to 350 degrees F.

Step 2 -Grease a 2-quart, oven-safe dish.

Step 3 -Using a large pan over low heat on the stove-top, melt the butter.

Step 4 -Once the butter is melted, stir in the flour, the salt, and the pepper until the mixture is smooth and the raw flour smell disappears.

Step 5 -Then, gradually add in the milk and bring it to a boil.

Step 6 -Cook and stir the mixture for about 2 minutes, until it has thickened.

Step 7 -Remove the pan from the heat.

Step 8 -Stir in the cheddar cheese until it has completely melted.

Step 9 -Add in the potatoes and onion.

Step 10 -Pour the mixture into the prepared dish.

Step 11 -Cover the dish and bake the potatoes for approximately 1 hour.

Step 12 -Then, uncover and continue baking until the potatoes are fork-tender, about 30-40 minutes.

Step 13 -Remove from the oven and garnish with more pepper.

Step 14 -Serve hot.

Explore More Favorites