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I used to buy au gratin potatoes via the box. I figured it was easy. Just do this and that and voila, I have my potatoes.
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Then I discovered once you start cooking more, you tend not to buy convenience foods as much as you used to, if at all.
Making au gratin potatoes by scratch took a lot less time than I thought it would. For that reason (and the obvs health benefits), I will make these by scratch for now on.
Here is my recipe for homemade au gratin potatoes:
- 2 large russet potatoes
- 1/2 onion, sliced
- 3 tablespoons butter
- 3 tablespoons flour
- 2 cups of milk (I used 2%)
- 2 cups of shredded cheddar cheese
- Salt and pepper to taste (I used seasoned salt).
- Preheat oven to 400 degrees F (200 degrees C). Butter a 1 quart casserole dish.
- Layer 1/2 of the potatoes into the bottom of the prepared casserole dish. Top with the onion slices, and add the remaining potatoes. Season with salt and pepper to taste.
- In a medium-size saucepan, melt butter over medium heat. Mix in the flour and salt, and stir constantly with a whisk for one minute. Stir in milk.
- Cook until mixture has thickened. Stir in cheese all at once, and continue stirring until melted, about 30 to 60 seconds.
- Pour cheese over the potatoes, and cover the dish with aluminum foil.
- Bake 90 minutes in the preheated oven.
Have you made homemade au gratin potatoes before? How did it turn out?