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If you’ve ever dined at Ruth’s Chris Steakhouse, you’ve probably tasted their iconic, decadent potatoes au gratin. This version brings all the rich, creamy, and cheesy goodness of the restaurant’s famous dish right to your home kitchen. With layers of perfectly cooked potatoes and a velvety cheese sauce, this dish is a showstopper at any dinner table.

Ruth’s Chris-Inspired Potatoes au Gratin

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  • Author: Jake
  • Prep Time: 20 minutes
  • Cook Time: 1 hour 10 minutes
  • Total Time: 1 hour 30 minutes
  • Yield: 6 servings 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These luxurious potatoes au gratin are inspired by the famous dish at Ruth’s Chris Steak House. With layers of tender potatoes, a creamy sauce, and a perfect blend of cheeses, this decadent dish is the ultimate comfort food and an ideal side to elevate any meal.

Ingredients

Units Scale
  • 2 lbs russet potatoes, peeled and thinly sliced
  • 4 tbsp unsalted butter
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 2 cups heavy cream
  • 1 cup whole milk
  • 2 cups shredded Gruyère cheese
  • 1 cup shredded sharp cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/2 tsp dried thyme (optional)
  • 1 tbsp fresh chives, chopped (for garnish)

Instructions

  1. Preheat Oven:
    Preheat your oven to 375°F (190°C). Butter a 9×13-inch baking dish or coat it with cooking spray.
  2. Prepare the Potatoes:
    Peel the potatoes and slice them thinly into even rounds (about ⅛-inch thick). Place the sliced potatoes in a large bowl of water to prevent them from browning.
  3. Sauté the Onion and Garlic:
    In a medium saucepan, melt the butter over medium heat. Add the chopped onion and cook until softened and translucent, about 4 minutes. Add the minced garlic and cook for an additional 1 minute until fragrant.
  4. Make the Creamy Sauce:
    Add the heavy cream and milk to the saucepan, stirring to combine. Bring to a simmer and cook for 2–3 minutes. Add the Gruyère cheese, cheddar cheese, and Parmesan cheese, stirring continuously until melted and smooth. Season with salt, pepper, and thyme, if using.
  5. Assemble the Potatoes au Gratin:
    Layer the sliced potatoes in the prepared baking dish, slightly overlapping each layer. Pour the cheese sauce over the top of the potatoes, making sure they are all well-coated. Repeat the layers until all potatoes and sauce are used up, ensuring the final layer is covered with sauce.
  6. Bake the Dish:
    Cover the baking dish with aluminum foil and bake for 40–45 minutes. Then, remove the foil and bake for an additional 20–25 minutes, or until the potatoes are tender and the top is golden and bubbly.
  7. Serve:
    Allow the potatoes to rest for 5–10 minutes before serving. Garnish with fresh chives for a pop of color and freshness.

Notes

  • If you prefer a smoother texture, you can blend the sauce to remove any lumps before pouring it over the potatoes.
  • Feel free to add cooked bacon or caramelized onions for added flavor.
  • This dish can be made ahead of time and stored in the fridge. Just add an extra 10–15 minutes of baking time if cooking from cold.

Nutrition

  • Serving Size: 1 cup
  • Calories: 500
  • Sugar: 3g
  • Sodium: 700mg
  • Fat: 35g
  • Saturated Fat: 20g
  • Unsaturated Fat: 12g
  • Trans Fat: 1g
  • Carbohydrates: 40g
  • Fiber: 4g
  • Protein: 15g
  • Cholesterol: 85mg

Find it online: https://justworthi.com/ruths-chris-inspired-potatoes-au-gratin/