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Copycat Ruth’s Chris Potatoes au Gratin

Copycat Ruth’s Chris Potatoes au Gratin

Homey, humble, and so cheesy.


  • 2 tablespoons butter, plus more for greasing baking dish
  • 1/2 white onion, minced
  • 2 garlic cloves, minced
  • 1 1/2 teaspoons salt
  • 1/2 teaspoon freshly ground black pepper
  • 1/2 cup chicken stock
  • 1 1/4 cups heavy cream, plus more if needed
  • 1 1/2 lbs russet potatoes, peeled and sliced 1/8-inch thick
  • 2 cups cheddar cheese, grated
  • 3/4 cup provolone cheese, grated
  • 1/2 cup Parmesan cheese, grated
  • Fresh parsley, chopped, for garnish
Copycat Ruths Chris Potatoes Au Gratin Recipe


  • Preheat oven to 425°F and grease an 8×8-inch baking dish with butter.
  • In a large pot over medium heat, melt the butter. Add onion and cook until soft and translucent, about 5 minutes. Add garlic and season with salt and pepper and cook 30 seconds more.
  • Stir in stock, cream, and potatoes and bring to a low simmer, but do not boil. Cover and reduce heat to medium-low. Let cook until potatoes are tender, 15-20 minutes. Adjust seasoning as needed.
  • Transfer mixture to baking dish, top with cheese and bake until bubbly and cheese has melted, 10-15 minutes.
Copycat Ruths Chris Potatoes Au Gratin Made Easy
  • Serve garnished with parsley, if desired. Enjoy!