Potatoes Romanoff – Steakhouse Potato Gratin

This famous Potatoes Romanoff is a perfect side dish for a special weekend dinner. This recipe is an original from Chef John Schenk. Grated potatoes are mixed with seasonings and cheddar cheese for a flavorful dish.


• 3 large Russet potatoes (washed and unpeeled)
• 1 red onion (finely diced)
• 3 tsp salt
• ½ tsp ground white pepper
• 2 ½ cups sharp white cheddar cheese (grated)
• 1 ¾ cups sour cream


Preheat oven to 400 F.

Wrap each potato with foil.
Poke using a fork or tip of a sharp knife.
Put the wrapped potatoes on a baking tray.
Place it inside the preheated oven.
Let it bake for 75 minutes until potatoes are tender.
Once done, remove from the oven.
Unwrap the potatoes and transfer them to a plate.
Cover it with clingfilm and place in the fridge.
Let it chill overnight.
Once done, remove from the fridge and unwrap.
Grate the potatoes with skin on a bowl.
Add finely diced onion.
Season with salt and white pepper.
Toss to mix using forks.
Avoid mashing the potatoes.
Sprinkle grated white cheddar cheese.
Toss to mix using forks.
Add sour cream into the mixture.
Gently toss to mix using forks.
Transfer carefully to a buttered baking dish.
Don’t press the mixture into the dish.
Place it inside the oven and let it bake for 30 minutes.
Once done, remove from the oven.
Serve and enjoy.

Potatoes Romanoff - Steakhouse Potato Gratin
Images – https://www.youtube.com/watch?v=3FpcOohn4bI

2 thoughts on “Potatoes Romanoff – Steakhouse Potato Gratin

  1. This recipe is delicious! I tried it the first time for a dinner party (risky I know) and it outshone all the other dishes. Easy to make and will be on my repeat list!

    1. fantastic <3 thanks Beth. and your comment really made me think, I wish we had a way people could upload their pics on the blog. Will have to see if we can fix that. Lots of people shared their photos of the recipes they tried on our pinterest.

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