Potatoes Au Gratin

Potatoes Au Gratin

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When I say Potatoes Au Gratin, what is the first thing that comes to your mind?

Smooth velvety melted cheese covered creamy potatoes? Or Cheesy plastic?

If you said cheesy plastic, you can relate and have eaten potatoes au gratin from a box. I’ve eaten the box kind too. My mama made them from time to time when I was growing up and I made them for myself even after I moved out and cooked meals for myself. The box potatoes are not terrible. They are really convenient and easy to fix, but no matter how hard you try, you still end up with a few potato slices that are like hard plastic and hard to chew. Blah!

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

As time went on, I knew that potatoes au gratin had to better than the chewy plastic potatoes from a box, so I found a basic recipe and gave it a try. I could not believe how incredibly delicious potatoes au gratin could be. Since then, I have worked on ways to improve the recipe and I want to share this recipe with you. I want you to know there is an alternative to cheesy plastic from a box.

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

This classic side dish comes together very easily, you don’t have to have any fancy gadgets to cut the potatoes. A knife works just as good as any gadget. Alright, there is a long 60 to 90 minute cook time, but believe me, this recipe for potatoes au gratin is well worth the wait. The tender potato slices are laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin makes a perfect side dish for any meal.

Trust me, these ain’t those plastic box potatoes you buy in the store. They are so much better!!

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

This time I made two batches and left out the onions for my stepson and grandson, but if you and your family love onions, don’t leave them out! They add so much more flavor to this wonderful dish.

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

There are recipes where I have seen the potatoes sliced thin and placed upright into a casserole dish to makes for a very pretty presentation. I love pretty food, but it doesn’t make them taste any better.

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal! | TheMountainKitchen.com

I love cheese and I don’t think there is a way you prepare a potato that I wouldn’t eat it. Potatoes are so versatile and they are the best all-time classic side dish for that very reason.

What do you think? Comment below!

Potatoes Au Gratin

Tender potato slices laced with sweet onions smothered in a creamy cheese sauce with a hint of garlic. Potatoes au gratin the perfect side dish to any meal!
Course Side Dish
Cuisine American
Keyword potatoes au gratin, scalloped potatoes
Prep Time 20 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 50 minutes
Servings 4
Calories 393kcal

Ingredients

  • 4 large russet potatoes sliced into ⅛-inch slices
  • ½ onion thinly sliced into ⅛ to ¼-inch rings (optional, but highly recommended)
  • Kosher salt and fresh cracked black pepper to taste
  • 2 tablespoons unsalted butter
  • 2 tablespoons all-purpose flour
  • 1 cup whole milk
  • 2 teaspoons garlic powder
  • 1 cup extra-sharp cheddar cheese shredded
  • fresh parsley for garnish, (optional)

Instructions

  • Preheat oven to 400 degrees F. Butter a 2-quart casserole dish.
  • Add potato and onion slices to the casserole dish and toss so that they layer with each other, but lay flat. Season with salt and pepper, to taste.
  • In a medium-size saucepan over medium heat, melt butter until it just begins to foam. Mix in the flour and season with salt, to taste, while stirring constantly for one minute, with a wooden spoon. After one minute, stir in the milk. Switch to a whisk and continue to stir and cook until the mixture is smooth and has thickened.
  • When the sauce is thick and bubbling, it should coat the back of a spoon, and leave a space when pulling your finger through the sauce. Stir in cheese and garlic powder all at once, until melted.
  • Pour cheese over the potatoes and onions, and cover the dish with aluminum foil. Bake covered for about an hour. After 60 minutes, uncover and check for tenderness. Continue to back uncovered, until potatoes and onions are tender and the cheese sauce begins to brown around the edges, about 30 minutes.
  • Remove and allow to cool about 10 minutes before serving.

Notes

There are recipes where I have seen the potatoes sliced thin and placed upright into a casserole dish to makes for a very pretty presentation. I love pretty food, but it doesn't make them taste any better.
I have also left out the onions for my stepson and grandson, but if you and your family love onions, don't leave them out! They add so much more flavor to this wonderful dish.
Recipe adapted from AllRecipes.com

Nutrition

Calories: 393kcal | Carbohydrates: 47g | Protein: 14g | Fat: 17g | Saturated Fat: 10g | Cholesterol: 50mg | Sodium: 214mg | Potassium: 1034mg | Fiber: 3g | Sugar: 5g | Vitamin A: 555IU | Vitamin C: 13.1mg | Calcium: 303mg | Iron: 2.3mg
Did you try this recipe? Tell us what you think!Give this recipe a star rating, leave a comment below and share pictures of your food with us on Instagram, Facebook or Twitter! We can't wait to see them! Don't forget to mention @TheMountainKitchen or tag #TheMountainKitchen!
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The Mountain Kitchen

Hi, my name is Debbie, Author and Photographer at The Mountain Kitchen, a blog that shares delicious homemade recipes using clean food ingredients, and stories about mountain life.
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