Steakhouse Potatoes

This rich and creamy Steakhouse Potatoes Romanoff is the ultimate make-ahead side dish that delivers bold, comforting flavor with every bite.

Fluffy shredded russet potatoes are combined with sweet shallots, tangy sour cream, and plenty of sharp white Cheddar cheese to create a decadent casserole that pairs perfectly with steak or any hearty main course.

What makes this dish truly special is its texture—lightly fluffed potatoes baked until golden and slightly crisp on top, while staying soft and creamy underneath.

Ideal for holidays, dinner parties, or meal prep, this recipe can be assembled ahead of time and baked just before serving, making it as convenient as it is delicious.

Prep Time: 20 mins
Cook Time: 1 hr 45 mins
Additional Time: 8 hrs
Total Time: 10 hrs 5 mins
Servings: 8

Ingredients

  • 1 teaspoon butter, or as needed
  • 3 large russet potatoes, scrubbed
  • 1/4 cup minced shallots
  • 1 tablespoon kosher salt
  • 1/2 teaspoon freshly ground white pepper
  • 1 pinch cayenne pepper, or to taste
  • 2 1/2 cups grated sharp white Cheddar cheese
  • 1 3/4 cups sour cream

Directions

  1. Preheat your oven to 400°F (200°C).
  2. Wrap each potato in aluminum foil and place them on a baking sheet. Pierce each potato a few times with a knife.
  3. Bake for about 1 hour and 15 minutes, or until the potatoes are very tender and easily pierced.
  4. Allow the potatoes to cool completely. Once cooled, unwrap and place them on a plate. Cover and refrigerate for at least 8 hours or overnight.
  5. Preheat the oven to 425°F (220°C) and lightly butter a casserole dish.
  6. Using a box grater, shred the chilled potatoes (skins included) into a large bowl.
  7. Add the minced shallots, salt, white pepper, and cayenne. Toss gently with two forks to combine.
  8. Mix in the grated Cheddar cheese until evenly distributed.
  9. Add the sour cream and gently fold until just combined, being careful not to overmix.
  10. Transfer the mixture to the prepared baking dish, piling it loosely and pressing it down lightly.
  11. Bake for 30 to 35 minutes, or until heated through and the top is golden brown.
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