Ruth's Chris Steakhouse Potatoes Au Gratin Recipe: Golden Cornmeal Crowns Over Ultra-Creamy Cheese

Recreating Ruth's Chris Steakhouse potatoes au gratin at home delivers that signature golden cornmeal crown over ultra-creamy cheese layers. The secret lies in precise layering and a slow bake that transforms simple potatoes into restaurant-quality indulgence.

I've perfected this technique after years of testing, ensuring every bite delivers that perfect balance of crispy top and velvety interior.

This recipe requires just five key ingredients—potatoes, cream, butter, Gruyère cheese, and cornmeal—but the technique makes all the difference. The potatoes must be thinly sliced and layered carefully, while the cornmeal topping creates that signature golden crust.

Professional results come from patience: letting the dish bake slowly until the cheese melts completely and the top transforms into crispy perfection.

What you'll achieve is a side dish so rich and satisfying it steals the show alongside any steak. The creaminess comes from the perfect blend of heavy cream and Gruyère, while the cornmeal crown adds texture that contrasts beautifully with the tender potatoes beneath.

This isn't just a side—it's the centerpiece of your dinner table that'll have everyone asking for seconds.

The beauty of this recipe is its versatility—serve it alongside steak, chicken, or even as a hearty vegetarian main. Once you master this technique, you'll never settle for store-bought versions again. Let's create restaurant-quality potatoes au gratin in your own kitchen.

Ingredients for ruth's chris steakhouse potatoes au gratin

Five essential ingredients transform into restaurant-quality potatoes au gratin with golden cornmeal crowns.

The Gruyère cheese is non-negotiable for authentic flavor—Whole Foods or specialty cheese shops carry the best aged varieties. Look for blocks labeled 12+ months aged, as younger Gruyère lacks the complex nutty depth. The cornmeal should be stone-ground for that signature texture; Bob's Red Mill is a reliable brand. Potatoes must be uniform in thickness—mandoline slicer recommended for precision. Freshly grated cheese and cornmeal prevent clumping, so avoid pre-shredded varieties with anti-caking agents. For the garlic, organic cloves from the grocery store's produce section yield the best flavor when minced.

Substitutions require careful consideration to maintain texture and flavor balance. Comté cheese can replace Gruyère in a pinch, though the flavor profile differs slightly. For cornmeal, semolina works but lacks the signature golden hue. Heavy cream can be substituted with half-and-half plus 2 tbsp sour cream, though the result will be slightly less rich. Avoid low-fat dairy—fat content is critical for creaminess. If using pre-minced garlic, pat it completely dry to prevent excess moisture in the dish. The flour can be swapped for cornstarch at the same ratio, though it may yield a slightly different mouthfeel in the cream base.

This dish requires careful storage to maintain its velvety texture. Once baked, transfer to the refrigerator within 2 hours to prevent condensation from steaming the cheese. Reheat covered at 350°F for 15-20 minutes until bubbly—microwaving creates a rubbery texture. The cornmeal crown reheats beautifully but may lose some crispiness; broil for 2-3 minutes post-reheating to restore texture. Portion into individual servings before freezing for optimal results—3 months maximum in the freezer. Always thaw overnight in the refrigerator before reheating.

Step-by-step instructions for ruth's Chris Steakhouse potatoes au gratin

Master the art of creating restaurant-quality golden cornmeal crowns over ultra-creamy cheese layers.

Begin by preheating your oven to 375°F. Peel the 2.5 lb russet potatoes and slice them into ¼-inch thick pieces using a mandoline or sharp knife for uniform thickness. Soak the slices in cold water for 10 minutes to remove excess starch, then drain thoroughly and pat dry with paper towels.

In a large skillet, melt 0.25 cup of the unsalted butter over medium heat. Add the potato slices in a single layer and cook for 3-4 minutes per side until they develop a slight golden color. This step ensures the potatoes start cooking evenly and creates a crisp foundation.

Arrange the cooked potato slices in a single layer in a 9x13-inch baking dish, slightly overlapping them. Sprinkle 0.5 cup fine yellow cornmeal evenly over the potatoes, pressing it gently into the crevices. This creates the signature golden crust that mimics Ruth's Chris's signature presentation.

In a medium saucepan, combine the 1.5 cups heavy cream, remaining 0.25 cup unsalted butter, 2 tbsp all-purpose flour, 4 minced garlic cloves, 1.5 tsp diamond crystal kosher salt, 0.5 tsp freshly ground black pepper, and 0.25 tsp nutmeg. Whisk continuously over medium heat until the mixture thickens to a smooth, velvety consistency—about 5-7 minutes.

Remove the saucepan from heat and stir in the 1.5 cups freshly grated gruyère cheese until completely melted and smooth. The cheese should blend seamlessly, creating a luxurious, ultra-creamy sauce. If the mixture appears too thick, whisk in 1-2 tablespoons of hot water to achieve a pourable consistency.

Pour the creamy cheese mixture evenly over the cornmeal-coated potatoes in the baking dish, ensuring every slice is fully covered. Gently press down on the potatoes to help them absorb the sauce and settle into the dish.

Transfer the baking dish to the preheated oven and bake for 45-50 minutes until the top is deep golden brown and the potatoes are tender when pierced with a fork. The edges should pull away slightly from the dish, creating that signature restaurant-quality finish.

For the final touch, broil the dish for 2-3 minutes on high heat to achieve a beautifully caramelized crust. Watch closely to prevent burning, as broilers can vary in intensity. Remove from the oven and let the potatoes rest for 10 minutes before serving to allow the layers to set and flavors to meld.

Slice the potatoes au gratin into 4 equal portions and serve immediately. Each bite should deliver a perfect balance of crispy cornmeal crowns atop the lusciously creamy gruyère cheese sauce. The potatoes should be tender yet hold their shape, with a rich, nutty flavor profile that complements any steakhouse meal.

This dish is best enjoyed fresh from the oven, where the contrast between the crispy top and velvety interior creates an unforgettable texture experience. Pair with a bold red wine or your choice of steak for an authentic restaurant-quality meal at home.

Pro cooking tips for perfect results

Layering Precision

Uniform potato slices are non-negotiable for even cooking. Use a mandoline slicer set to ¼-inch thickness—I swear by the OXO Good Grips model for safety and consistency. After slicing, soak potatoes in cold water for 10 minutes to remove starch, then pat completely dry with paper towels.

This prevents a gummy texture and ensures the cornmeal crown adheres properly. 🥔

Cornmeal Crown Secret

The golden crust comes from pressing ½ cup fine yellow cornmeal into the potato crevices before adding the cheese mixture. Use stone-ground cornmeal like Bob's Red Mill for that signature texture—pre-packaged brands often contain anti-caking agents that ruin the crispiness.

For extra browning, toast the cornmeal in a dry skillet over medium heat for 2 minutes before sprinkling. 🌽

Cream Mixture Mastery

Whisk the cream mixture constantly over medium heat—never let it boil, or the cheese will separate. When adding the 1.5 cups freshly grated Gruyère, remove from heat first to prevent overheating.

For extra richness, I sometimes add 1 tbsp heavy cream cheese to the mixture while whisking. The sauce should coat the back of a spoon when finished. 🧀

Baking Temperature Control

Don't rush the 45-50 minute bake at 375°F. The potatoes need time to absorb the sauce completely while developing that signature tender-yet-firm texture. If the top browns too quickly, tent the dish with foil for the last 15 minutes.

For a restaurant-worthy finish, broil for 2-3 minutes on high—watch like a hawk to avoid burning. 🌡️

Resting Period

Skipping the 10-minute rest after baking is a common mistake. This crucial step allows the layers to set properly, preventing a runny cheese sauce. Serve directly from the baking dish for that restaurant presentation, or transfer to a serving platter.

The cornmeal crown will stay crispy if you slice immediately after resting. ⏰

Equipment Essentials

Invest in a 9x13-inch glass baking dish—glass conducts heat better than metal and prevents sticking. I use Pyrex for its durability. For the cornmeal crown, a fine-mesh sieve helps distribute it evenly.

And always use a meat thermometer to check internal temp—205°F at the center ensures perfect doneness. 🔥

Frequently asked questions