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Copycat Ruth’s Chris Potatoes au Gratin
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Copycat Ruth’s Chris Potatoes au Gratin are my love language. This ultra-creamy, restaurant-style potatoes au gratin is rich, cheesy, and honestly way easier than it looks, which is exactly why I’m obsessed with it and why you’re about to be obsessed with it too. We’re talking tender russet potatoes, velvety cream sauce, and a gooey, golden cheese crust that tastes like your favorite steakhouse side, without putting on real pants or paying steakhouse prices.
I first tried the famous Ruth’s Chris potatoes on a date night in downtown Austin, and I remember thinking, “Wait. WHY is this so good? And how do I get this on my Tuesday night table?” So I made it my mission to crack a copycat version that still feels fancy but totally works for busy weeknights, holidays, or honestly just a chilly Tuesday when you need comfort food and stretchy pants.
Here’s the best part: this Copycat Ruth’s Chris Potatoes au Gratin recipe uses simple ingredients, one skillet, and a quick oven bake. It’s meal-prep friendly, great for feeding a crowd, and you can tweak it for your family’s preferences. Make it easy. Make it delicious. Make it yours. You can absolutely do this.
Why This Cheesy Potato Bake Belongs in Your Regular Rotation
This potatoes au gratin is that dish everyone reaches for first, then goes back for “just a little more,” and then again for “okay, LAST bite,” and yes I’m calling myself out here. The sauce is rich but not fussy, it feels special but is secretly simple, and it keeps well, so my meal-prepper heart is very, very happy. If you’ve ever wanted steakhouse vibes at home without complicated steps, this one is your new best friend.
You’re going to love how flexible it is: you can swap cheeses, adjust the creaminess, even sneak in some veggies for the kids who “don’t eat veggies” (they will eat these, trust me). It works for date night, holidays, Sunday meal prep, or a random Thursday when you just need something cozy and CARBY. It’s also budget-friendly because potatoes plus a few fridge staples turn into something that tastes way more expensive than it is. And if you’re feeding picky eaters or big families? This is the dish that makes everybody strangely quiet at the table, in the best way, because they’re too busy eating.
The Ingredients That Make It Taste Like the Real Deal
2 tbsp butter (plus extra for greasing the dish)
1/2 medium onion (minced)
1 clove garlic (minced)
1.25 tsp salt (for seasoning)
1/2 tsp ground black pepper (for seasoning)
3/4 cup chicken stock (for sauce)
1.25 cups heavy cream (for creamy texture)
1.5-1.75 lbs russet potatoes (about 5-6, peeled and sliced 1/8 inch thick)
3 cups shredded cheese (mix of 2 cups Cheddar, 3/4 cup Fontina or Provolone, and 1/4 cup Parmesan)
1 tbsp chopped parsley (for garnish)
Let’s talk through a few heroes here. Russet potatoes are my go-to because they get so tender and soak up that creamy sauce beautifully, but if you only have Yukon Golds, use them — they’ll be a little butterier and I’m never mad at that. Heavy cream is what gives you that true “steakhouse” richness, but you can absolutely lighten it a bit with half-and-half if that’s what you’ve got (just know it won’t be quite as thick, and that’s okay).
The cheese blend is where the magic happens: sharp Cheddar for flavor, Fontina or Provolone for melty stretch, and Parmesan for that salty, nutty top note. If you don’t have Fontina, use all Cheddar and a little extra Parmesan. Is it authentic? Maybe not. Is it delicious? YES. I buy my cheese in blocks from Costco or Aldi and shred it myself because it melts smoother and is cheaper than pre-shredded, but use what your life and budget allow.
Chicken stock lightens the sauce a bit so it’s not just straight cream; you could swap vegetable stock if you’re keeping it meat-free. And if you feel like tossing in spinach, cooked broccoli, or leftover roasted veggies between layers, I completely support that — little extra fiber never hurt anybody.
How to Make It: Simple Step-by-Step Comfort
First things first, set yourself up for success. Preheat your oven to 425°F (220°C) so it’s ready to go. Grease your 8×8-inch baking dish (or 5–6 small individual dishes) with a little butter. Don’t skip the butter here — it helps with flavor and prevents sticking, and you’ll thank yourself later when cleanup is easier.
Now let’s build that base flavor. In a large skillet over medium heat, melt 2 tablespoons of butter. Add the minced onion and cook for about 5 minutes until it’s soft and just turning translucent. Don’t rush this; this is where the flavor starts. Then stir in the garlic, salt, and pepper and cook for another 30 seconds, just until your kitchen smells amazing. If it feels like it’s going too fast and things are browning too quickly, just lower the heat — you’re in charge.
Time for the creamy magic. Pour in the chicken stock and heavy cream, stirring to combine everything into one luscious sauce. Now add the thinly sliced potatoes, making sure they’re well-coated. Use a spoon to gently separate them so every slice gets some love. If your pan looks crowded, that’s fine, they’ll cook down.
Increase the heat and bring the mixture to a gentle simmer, then cover, reduce the heat to medium-low, and let it cook until the potatoes are nearly tender, about 15–20 minutes. Stir occasionally so nothing sticks to the bottom. If your sauce seems too thick, splash in a bit more stock; if it’s too thin, just keep simmering a few extra minutes. Don’t worry, you really can’t mess this up easily.
Once the potatoes are just about tender when you poke them with a fork, carefully transfer everything — potatoes and sauce — to your prepared baking dish. Spread them out evenly so the top is fairly level. Now scatter your shredded cheese mixture evenly over the top. Don’t hold back. This is the part that makes it feel like Ruth’s Chris, and the bubbling, golden cheese is what makes everyone go “whoa.”
Bake for 10–15 minutes, or until the cheese is melted, bubbling, and gorgeously golden brown around the edges. If it’s browning too fast, tent it loosely with foil. When it comes out, let it rest for a few minutes; the sauce will thicken up slightly as it cools, and it will slice more neatly. Finish with a sprinkle of fresh chopped parsley for color and freshness, then serve warm. And seriously — just look at it for a second before you dive in.
Simple Tips to Get Steakhouse-Quality at Home
Slice your potatoes as evenly and thinly as you can — about 1/8 inch. If you have a mandoline, awesome. If not, you and your knife will do just fine; just aim for “kinda thin and mostly the same.” This helps everything cook evenly so you don’t have crunchy bits hiding in the middle.
For make-ahead, you can cook the potatoes in the cream mixture on the stove, transfer to your baking dish, cool, cover, and refrigerate for up to a day. When you’re ready to serve, top with cheese and bake until hot and bubbly; you may need to add 5–10 extra minutes from cold. Leftovers keep well in the fridge for 3–4 days. To reheat, I like to cover and warm in a 350°F oven until hot; the microwave works too, just go in short bursts so it doesn’t separate.
Batch cooking? Double the recipe and use a 9×13 pan — perfect for holidays, potlucks, or if you’re feeding teens who eat like three adults each. For little kids, you can slightly reduce the black pepper and maybe swap part of the Cheddar for a milder cheese if they’re sensitive to stronger flavors. Remember: you’re the boss of your kitchen. You can totally adjust and still win.
How to Serve These Potatoes (Besides Straight from the Pan)
This Copycat Ruth’s Chris Potatoes au Gratin is the ultimate side dish for grilled chicken, steak, roast turkey, baked salmon, or even a simple green salad when you’re going for balance-but-still-comfort. For a weeknight, I’ll pair it with roasted veggies and a protein and call it a whole meal. For holidays, it sits proudly next to turkey or ham-free roasts and gets demolished every single time.
If you want a more casual vibe, bake in individual ramekins or small dishes — they look fancy but feel fun and cozy. Sprinkle extra parsley or even a little extra Parmesan on top right before serving. Leftovers are amazing with a fried egg the next morning (breakfast potatoes au gratin? absolutely yes) or tucked into a veggie-packed frittata.
This is one of those dishes that makes dinner feel like an event, even if it’s just you, a fork, and Netflix. Are you already planning when you’ll make it?
Questions You Might Be Asking
Yes, totally. You can cook the potatoes in the cream mixture on the stove, transfer to the baking dish, cool, cover, and refrigerate up to 24 hours. When you’re ready to serve, top with cheese and bake at 400–425°F until hot and bubbly, adding a few extra minutes since it’s starting cold.
No problem at all. Use all Cheddar plus a bit more Parmesan, or swap in another good melting cheese like Monterey Jack or Mozzarella. The flavor will be slightly different, but still creamy and cheesy and wonderful.
You can. Try using half heavy cream and half milk or half-and-half, and stick with a slightly smaller portion. You could also toss in thinly sliced veggies like zucchini or spinach for extra nutrients. It won’t be quite as rich as the classic version, but still super satisfying.
No, that’s the beauty of this method. The potatoes simmer right in the cream and stock mixture, so they cook and soak up flavor at the same time, then finish in the oven under that cheesy blanket.
You can freeze them, but the texture of the cream sauce can change a bit after thawing. If you do freeze, reheat gently in the oven covered with foil and add a splash of milk or cream to bring it back to life. Fresh or refrigerated leftovers are definitely better, though.
This potatoes au gratin is so simple, so creamy, so over-the-top comforting that it honestly feels like a little bit of restaurant magic in your own kitchen. You can make it ahead, you can tweak it, you can serve it to guests or just yourself on the couch and it will still feel special.
If you try this Copycat Ruth’s Chris Potatoes au Gratin, tell me how it went — drop a comment, send a question, or tag me in your photos on social (yes, I really do happy-dance when I see them). You can do this. And once you do, you might just find yourself making it again next week… and the week after…
Potatoes au Gratin
This ultra-creamy, restaurant-style potatoes au gratin features rich cheeses and tender russet potatoes, making it a comforting and easy dish perfect for any occasion.
Ingredients
For the sauce
- 2 tbsp butter (plus extra for greasing the dish) Use for greasing the baking dish.
- 1/2 medium onion (minced)
- 1 clove garlic (minced)
- 1.25 tsp salt (for seasoning)
- 1/2 tsp ground black pepper (for seasoning)
- 3/4 cup chicken stock (for sauce) Can substitute with vegetable stock for a meat-free version.
- 1.25 cups heavy cream (for creamy texture) Can be substituted with half-and-half for a lighter version.
Main ingredients
- 1.5-1.75 lbs russet potatoes (about 5-6, peeled and sliced 1/8 inch thick) Can substitute with Yukon Gold potatoes.
- 3 cups shredded cheese Mix of 2 cups Cheddar, 3/4 cup Fontina or Provolone, and 1/4 cup Parmesan.
- 1 tbsp chopped parsley (for garnish) For a fresh finish.
Instructions
Preparation
- Preheat your oven to 425°F (220°C) and grease an 8x8-inch baking dish with butter.
- In a large skillet over medium heat, melt 2 tablespoons of butter. Add the minced onion and cook for about 5 minutes until soft and translucent.
- Stir in the minced garlic, salt, and pepper, cooking for another 30 seconds.
- Pour in the chicken stock and heavy cream, stirring to combine. Add the sliced potatoes, making sure they are well-coated.
- Increase the heat and bring to a gentle simmer, cover, and reduce the heat to medium-low, cooking until the potatoes are nearly tender, about 15-20 minutes.
- Transfer the potato mixture to the prepared baking dish, spreading it evenly, then sprinkle the cheese mixture over the top.
Baking
- Bake for 10-15 minutes, or until the cheese is melted and bubbling. Let it rest for a few minutes before serving.
- Finish with a sprinkle of chopped parsley.
Notes
Slice potatoes evenly for even cooking. This dish can be made ahead of time and stored in the refrigerator for up to a day before baking. Leftovers keep well for 3-4 days.