Creamy Garlic Parmesan Scalloped Potatoes

Leah | Gathered From Home 0 Comments
Servings: 8 Total Time: 1 hr 5 mins Difficulty: Beginner
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Thinly sliced potatoes baked in a boldly seasoned garlic-Parmesan cream sauce until tender, rich, and creamy.
Creamy garlic Parmesan scalloped potatoes baked until golden and bubbly

Creamy Garlic Parmesan Scalloped Potatoes

These garlic Parmesan scalloped potatoes are made with thinly sliced potatoes baked in a rich heavy cream sauce seasoned with garlic, onion, Parmesan, and seasoning salt. Everything bakes together until the potatoes are tender and coated in a creamy, flavorful sauce, making them an easy side dish for holidays, Sunday dinner, or any comfort-food meal.

Author: Leah | Gathered From Home Cooking Method: Cuisine: Courses:
Creamy garlic Parmesan scalloped potatoes baked until golden and bubbly
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Prep Time 20 mins Cook Time 45 mins Total Time 1 hr 5 mins Difficulty: Beginner Servings: 8 Best Season: Suitable throughout the year Dietary:
G Gluten-Free

Ingredient

Instructions

  1. See How the Garlic Parmesan Scalloped Potatoes Come Together

    Season the Potatoes → Bake Until Tender → Add Cream & Parmesan → Finish Baking

     

    These creamy scalloped potatoes come together with just a few simple steps. Thinly slice the potatoes, make the seasoned cream, layer everything with Parmesan, and bake until tender.

     

  1. Prepare the Potatoes

    Preheat the oven to 350°F.

    Lightly grease a 9x13-inch baking dish with salted butter.

    Peel the potatoes and slice them approximately 1/8 inch thick. Try to keep the slices fairly even so they cook at the same rate. A mandoline makes this especially easy.

  1. Season the Potatoes

    Place the sliced potatoes in the baking dish.

    Add:

    2 tbsp mayonnaise
    1 1/2 tbsp garlic powder
    1 1/2 tbsp onion powder
    1 tbsp Johnny's Seasoning Salt
    1 tsp black pepper

    Toss everything together until the potato slices are evenly coated with the mayonnaise and seasonings.

    Pour 1/3 cup water into the dish.

  1. Bake the Potatoes

    Cover the baking dish tightly with foil.

    Bake at 350°F for about 40 minutes.

    At this point, the potatoes should be starting to become tender but don't need to be completely finished.

  1. Add the Cream and Parmesan

    Carefully remove the foil.

    Pour 2 cups heavy whipping cream evenly over the potatoes and gently move the potatoes around if necessary so the cream can work its way between the layers.

    Sprinkle 1 cup Parmesan cheese evenly over the potatoes. (I usually use more cheese)

  1. Finish Baking

    Return the dish to the oven and continue baking until the potatoes are completely tender and the cream has thickened into a rich sauce.

    For this part, I don't want to invent a time yet. The next time you make them, let's record exactly how long they bake after you add the cream and Parmesan.

    I'd expect we're probably somewhere around another 20–30 minutes, but we'll use your actual result rather than putting that into the published recipe as fact.

    Let the potatoes rest for 10–15 minutes before serving so the cream sauce can thicken further.

Note

Serving Suggestions:

These Creamy Garlic Parmesan Scalloped Potatoes are perfect alongside roasted chicken, ham, steak, meatloaf, or pork tenderloin. They're also a great addition to Thanksgiving, Christmas, Easter, or Sunday dinner.

Looking for another easy addition to your meal? Browse all of my Side Dish Recipes for more ideas.

Make It Gluten-Free: The recipe doesn't use flour. Check the Johnny's Seasoning Salt, mayonnaise, Parmesan, and other packaged ingredients to make sure they're gluten-free.

Storage: Store leftovers covered in the refrigerator for 3–4 days.

Reheating: Reheat individual portions in the microwave or cover and warm in a 325°F oven. Add a small splash of cream if needed.

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Frequently Asked Questions

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What are the best potatoes for scalloped potatoes?

Yukon Gold or russet potatoes both work well. Yukon Gold potatoes hold their shape a little better and have a naturally buttery texture, while russets will give you a softer, creamier result.

 

How thin should I slice the potatoes?

Slice the potatoes about 1/8 inch thick. Keeping the slices fairly even helps them cook at the same rate.

 

Why do you add water before the heavy cream?

The small amount of water helps the potatoes steam and soften during the first part of baking. The heavy cream and Parmesan are added later so they can create a rich, creamy sauce without cooking for the entire baking time.

 

How do I know when scalloped potatoes are done?

Insert a thin knife into the center of the casserole. It should slide easily through the potato layers without much resistance. If the potatoes still feel firm, continue baking until tender.

 

Can I make these garlic Parmesan scalloped potatoes ahead of time?

Yes. You can bake the potatoes ahead of time, refrigerate them once cooled, and reheat them covered in the oven. Add a small splash of heavy cream before reheating if the sauce has thickened too much.

 

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