There are some dishes that transcend mere side status and become stars in their own right. At the pinnacle of this culinary hierarchy sits the legendary gratin from one of America’s most beloved steakhouses. Today, we’re diving deep into the art of recreating that magic in your own kitchen with our definitive guide to making a truly spectacular

Ruth’s Chris Potatoes Au Gratin

. This isn’t just any potato dish; it’s a creamy, dreamy, cheesy masterpiece that promises to elevate any meal from ordinary to extraordinary.

Why You Will Love This Steakhouse Side Dish

Imagine this: tender, thinly sliced potatoes, bathed in a rich, savory cream sauce, and blanketed with a luscious three-cheese topping, baked until golden, bubbly, and irresistibly aromatic. That’s precisely what this

copycat au gratin potatoes

recipe delivers. It’s the ultimate comfort food, yet elegant enough for a special occasion. This isn’t just a side; it’s an experience. Perfect alongside your favorite main course, it stands out among other

Ruth’s Chris side dishes

for its sheer indulgent appeal. You’ll be amazed at how easily you can bring the sophisticated flavors of a high-end steakhouse right to your dining table, making it an instant contender for one of your go-to

steak dinner sides

Key Ingredients for Creamy Potatoes Au Gratin

Achieving that iconic steakhouse flavor and texture starts with selecting the right components. Every ingredient plays a crucial role in building the symphony of taste and creaminess that defines these magnificent

cheesy sliced potatoes

The Best Potatoes to Use (Russets vs. Yukon Golds)

The foundation of any great gratin is, naturally, the potatoes. For this particular

steakhouse potato recipe

, your choice matters significantly.

Russet Potatoes: These are often the preferred choice for a classic gratin, and what we’ll be focusing on for our
russet potato gratin
. Their high starch content means they break down slightly during baking, releasing starch that helps to thicken the cream sauce, resulting in a wonderfully creamy, almost custard-like texture that holds together beautifully. They absorb flavors exceptionally well and provide a robust potato flavor.
Yukon Gold Potatoes: While delicious and buttery, Yukon Golds have a lower starch content and a firmer texture, which means they won’t contribute as much to the sauce’s thickening. They hold their shape more distinctly and offer a slightly sweeter, nuttier flavor. If you prefer a gratin with more defined potato layers and a silkier, less dense sauce, Yukon Golds can be a good alternative, but for the authentic Ruth’s Chris experience, we lean towards the Russets for their ability to create that signature, almost melt-in-your-mouth consistency.

Whichever you choose, ensure they are fresh, firm, and free of sprouts or green spots.

The Three-Cheese Blend (Cheddar, Provolone, Parmesan)

The cheese blend is where much of the magic happens, contributing both flavor and that irresistible gooey texture. We’re using a trio that provides depth, sharpness, and a beautiful melt.

Sharp Cheddar: This is your flavor powerhouse. Its pungent, tangy notes cut through the richness of the cream and provide a bold, comforting taste. Always opt for a block of sharp cheddar and grate it yourself; pre-shredded cheeses often contain anti-caking agents that can hinder smooth melting.
Provolone: For that incredible melt and stretch, provolone is your secret weapon. It melts beautifully, creating those satisfying, stringy pulls when you scoop out a portion. Its mild, slightly nutty flavor complements the sharp cheddar without overpowering it.
Parmesan: A final flourish of freshly grated Parmesan adds a salty, umami depth and a delightful crispy crust when baked. Its granular texture also helps in forming that irresistible golden-brown topping.

Together, these three cheeses create a symphony of flavor and texture that makes these potatoes truly unforgettable.

How to Make Ruth’s Chris Potatoes Au Gratin

Creating this magnificent dish is surprisingly straightforward, relying on a two-step process that builds layers of flavor and ensures perfect texture. Patience and attention to detail are key to mastering this creamy delight.

Step 1: The Stovetop Simmer

This is where we infuse our cream base with incredible flavor and begin the thickening process for our

heavy cream potato bake

Prepare Your Aromatics: In a heavy-bottomed pot or Dutch oven, gently melt a generous knob of unsalted butter over medium-low heat. Add finely minced garlic and finely diced shallots (or a very mild onion). Sauté them slowly until they are softened and fragrant, about 5-7 minutes. Be careful not to brown them; we want their sweetness and aroma to shine through.
Infuse the Cream: Pour in the heavy cream. Add a pinch of freshly grated nutmeg – it’s a secret ingredient that enhances the creaminess and warmth of the dish without being overtly noticeable. Season generously with salt and freshly cracked black pepper. Bring the cream mixture to a bare simmer over medium-low heat. You should see tiny bubbles forming around the edges, but do not let it come to a rolling boil, as this can cause the cream to separate or become grainy.
Thicken and Flavor: Allow the cream to gently simmer for about 10-15 minutes, stirring occasionally. This slow simmer not only infuses the cream with the garlic and shallot flavors but also allows it to slightly reduce and thicken. The natural starches from the potatoes will further thicken the sauce in the oven, but this initial reduction sets the stage for a rich, luxurious base. Turn off the heat and set aside.

Step 2: The Cheesy Oven Bake

Now comes the assembly and the magic of the oven, transforming simple ingredients into a golden, bubbly masterpiece.

Prepare Your Potatoes: While the cream is simmering, carefully slice your peeled potatoes into very thin, uniform rounds, ideally about 1/8-inch thick. A mandoline slicer is highly recommended for achieving consistent thickness, which is crucial for even cooking.
Layer the Gratin: Lightly butter a 9×13-inch baking dish. Arrange a single layer of potato slices, overlapping them slightly, across the bottom of the dish. Ladle a portion of the warm, infused cream sauce evenly over the potatoes. Sprinkle generously with a blend of your grated sharp cheddar and provolone cheeses. Repeat this layering process: potatoes, cream sauce, cheese, until you run out of ingredients, ensuring the top layer is a final, generous blanket of cheese. Save a little extra Parmesan for the very end.
Bake to Perfection: Cover the baking dish tightly with aluminum foil. This initial covered bake allows the potatoes to steam and cook through without drying out. Bake in a preheated oven at 375°F (190°C) for 45-60 minutes, or until the potatoes are tender when pierced with a knife.
Uncover and Brown: Remove the foil. Sprinkle the remaining Parmesan cheese over the top. Increase the oven temperature to 400°F (200°C) and bake for another 15-20 minutes, or until the top is golden brown and bubbly, with a beautiful crust.
Rest Before Serving: Once out of the oven, let the gratin rest for at least 15-20 minutes before serving. This allows the sauce to set and the flavors to meld, ensuring a cleaner, more stable slice.

Expert Tips for the Perfect Au Gratin

A few insider tricks can elevate your gratin from good to absolutely phenomenal, guaranteeing a restaurant-quality result every time.

Slicing the Potatoes Evenly

“Uniformity in potato slicing is not just about aesthetics; it’s about physics. Uneven slices will cook at different rates, leaving some firm and others mushy. A mandoline is your best friend here for consistent 1/8-inch thickness.”

Using a mandoline slicer is highly recommended for achieving perfectly even, thin slices. If you don’t have one, a very sharp chef’s knife and a steady hand will work, but take your time. Consistency in thickness ensures that all your potato slices cook through at the same rate, resulting in a uniformly tender and creamy texture throughout the gratin.

Avoiding a Broken Cream Sauce

A broken, grainy cream sauce can ruin an otherwise perfect gratin. Here’s how to prevent it:

Gentle Heat is Key: When simmering the cream, keep the heat low to medium-low. A rolling boil can cause the fats in the heavy cream to separate, leading to a curdled appearance.
Don’t Overcook the Cream: While a slight reduction helps, don’t over-reduce the cream on the stovetop. It will continue to thicken in the oven.
Integrate Cheese Slowly: If you choose to stir some cheese into the cream sauce (though we primarily layer it here), do so off the heat and stir gently until melted. High heat can make cheese seize or become stringy rather than smooth.
Avoid Acid: Ingredients like wine or lemon juice can cause dairy to curdle. Stick to the specified recipe ingredients for the creamiest results.

What to Serve with Steakhouse Potatoes

These rich, savory potatoes are the quintessential accompaniment to a grand meal. Given their heritage as one of the most celebrated

Ruth’s Chris side dishes

, they naturally pair exquisitely with a perfectly cooked piece of meat.

Beef Dishes: A juicy grilled beef tenderloin, a succulent prime rib, or a perfectly seared New York strip steak are classic choices that truly sing alongside this gratin. The creamy potatoes provide a wonderful counterpoint to the robust, savory flavors of beef.
Roast Chicken or Turkey: For a lighter but equally satisfying meal, serve these potatoes with a beautifully roasted chicken or a festive holiday turkey.
Seafood: Believe it or not, these potatoes can also complement substantial seafood dishes, such as a pan-seared halibut or baked salmon, adding a luxurious touch.
Vegetarian Mains: Don’t limit yourself! A hearty mushroom Wellington or a robust vegetable loaf would find a delightful partner in this rich potato bake.

No matter your main course, these

steak dinner sides

are guaranteed to impress and satisfy.

Make-Ahead, Storing, and Reheating Leftovers

These potatoes are wonderful fresh from the oven, but they also offer great flexibility for make-ahead planning and handling leftovers.

Make-Ahead: You can assemble the entire gratin, cover it tightly with plastic wrap, and refrigerate it for up to 24 hours before baking. Let it sit at room temperature for about 30 minutes before baking, then follow the baking instructions, possibly adding an extra 10-15 minutes to the covered baking time.
Storing Leftovers: Any leftover gratin should be covered tightly with plastic wrap or aluminum foil and refrigerated within two hours of serving. It will keep well in the refrigerator for 3-4 days.
Reheating Leftovers: For best results, reheat individual portions in the microwave until warmed through. For a crispier topping, you can reheat a larger portion in a preheated oven at 350°F (175°C), covered, until heated through, then uncover for the last 10 minutes to re-crisp the cheese. Avoid over-reheating, as this can dry out the potatoes.

Frequently Asked Questions (FAQs)

Q: Can I use pre-shredded cheese for this recipe?
A: While convenient, pre-shredded cheeses often contain anti-caking agents like cellulose, which can prevent them from melting smoothly and can give your sauce a slightly grainy texture. For the best, creamiest results, we highly recommend grating your own block of cheese.

Q: Do I need to rinse the potato slices before layering?
A: Some recipes suggest rinsing potatoes to remove excess starch. However, for a

russet potato gratin

like this, the starch released from the russets during cooking actually helps to naturally thicken the cream sauce, contributing to that desired rich consistency. So, for this specific recipe, rinsing isn’t necessary.

Q: My gratin looks dry after baking. What went wrong?
A: A dry gratin can be caused by a few factors. You might have sliced your potatoes too thickly, requiring more liquid to cook through, or your cream sauce might have reduced too much during the stovetop simmer. Ensure you use heavy cream (not half-and-half or milk), cover the gratin during the initial bake, and don’t bake it for too long uncovered.

Q: Can I add other seasonings to the cream sauce?
A: Absolutely! While the recipe focuses on the classic flavors, you can certainly experiment. A pinch of cayenne pepper can add a subtle warmth, or a sprig of fresh thyme or rosemary infused in the cream during simmering can add an earthy note. Just be mindful not to overpower the delicate balance of the cheese and potato flavors.

Creating this iconic

Ruth’s Chris Potatoes Au Gratin

at home is a rewarding experience that will undoubtedly impress your family and guests. With these tips and detailed steps, you’re well on your way to mastering this extraordinary side dish.

If you loved this recipe, be sure to follow us for more delicious ideas and cooking tips! You can find us on Facebook here: Follow us on Facebook!

Ruth's Chris Potatoes Au Gratin Recipe (Copycat)

Copycat Ruth's Chris Potatoes Au Gratin

Print Recipe Pin Recipe

Prep Time 15

Cook Time 35

Total Time 50

Servings 6

Ingredients

2 tbsp Unsalted butter Plus extra for greasing the baking dish
1/2 White onion Minced
2 cloves Garlic Minced
1/2 cup Chicken stock
1 1/4 cups Heavy cream
1 1/2 tsp Kosher salt
1/2 tsp Black pepper Freshly ground
1 1/2 lbs Russet potatoes Peeled and sliced 1/8-inch thick
2 cups Sharp cheddar cheese Grated
3/4 cup Provolone cheese Grated
1/2 cup Parmesan cheese Grated
1 tbsp Fresh parsley Chopped, for garnish

Instructions

Preheat the oven to 425°F (220°C). Grease an 8x8-inch or 9x9-inch baking dish with butter.
In a large pot or Dutch oven, melt 2 tablespoons of butter over medium heat. Add the minced onion and sauté for 5 minutes until soft and translucent.
Add the minced garlic, salt, and black pepper. Cook for another 30 seconds until fragrant.
Stir in the chicken stock, heavy cream, and sliced russet potatoes. Bring the liquid to a gentle simmer, being careful not to let it boil.
Cover the pot and reduce the heat to medium-low. Cook for 15 to 20 minutes, or until the potatoes are just tender.
Carefully transfer the potato and cream mixture into the prepared baking dish, spreading it out evenly.
Sprinkle the grated cheddar, provolone, and parmesan cheeses evenly over the top of the potatoes.
Bake uncovered in the preheated oven for 10 to 15 minutes, or until the cheese is melted, bubbly, and golden brown on top.
Remove from the oven and let rest for 5 to 10 minutes. Garnish with fresh chopped parsley before serving.

For more daily recipes and tips, follow us on Facebook!
Click here to join our community!

Ruth’s Chris Potatoes Au Gratin Recipe (Copycat)