Delmonico Potatoes: The Ultimate Cheesy Baked Potato Casserole

By Sarah Miller

On September 6, 2026

Close up photo of cubed potatoes submerged in a thick creamy pale yellow cheese sauce with melted cheddar on top. (Delmonico Potatoes)

Cuisine

American

Prep time

20 minutes

Cooking time

30 minutes

Total time

50 minutes

Servings

8 cups

Delmonico Potatoes are the quintessential comfort food, famously served at the historic Delmonico’s Restaurant in New York City. This dish is the perfect marriage of cubed parboiled potatoes and a thick creamy cheese sauce that coats every single bite. If you have been searching for a side dish that features a golden brown charred cheese crust and perfectly cracked black pepper, you have found it.

Making Delmonico Potatoes at home is surprisingly simple, yet the results look like they came straight from a high-end steakhouse kitchen. The secret lies in the contrast between the tender, fluffy potato cubes and the sharp, bubbling cheddar cheese top.

A white rectangular baking dish filled with bubbling Delmonico Potatoes, showing crispy cheese edges and cracked black pepper.
Fresh out of the oven: bubbling Delmonico Potatoes with crispy edges.

Why You Will Crave These Cheesy Delmonico Potatoes

  • The Perfect Texture: Using cubed parboiled potatoes ensures that each piece is tender without turning into mush.
  • Ultra-Creamy Consistency: The thick creamy cheese sauce is made from scratch, creating a velvety mouthfeel that outshines any canned substitute.
  • The Iconic Crust: A heavy layer of melted sharp cheddar cheese is baked until it develops those signature dark brown charred spots and crispy edges.
  • Bold Seasoning: Visible flecks of cracked black pepper cut through the richness of the dairy for a perfectly balanced flavor profile.

This recipe is a fantastic alternative to traditional cheesy scalloped potatoes, offering a more rustic, chunky texture that holds up beautifully next to a prime rib or roast chicken.

Essential Ingredients for Steakhouse-Style Potatoes

To achieve the specific look and taste of authentic Delmonico Potatoes, you need high-quality ingredients that prioritize fat content and flavor stability.

Russet Potatoes: These starchy potatoes are the gold standard here. They hold their shape after parboiling but have a floury interior that absorbs the sauce perfectly.

Sharp Cheddar Cheese: We use a mix of shredded sharp cheddar inside the sauce and a thick layer on top. This provides that pale yellow cheese sauce color and the sharp tang necessary to balance the cream.

Heavy Cream & Whole Milk: Using a combination ensures the sauce is thick enough to coat the cubes without becoming greasy.

Unsalted Butter & All-Purpose Flour: These form the roux, which is the foundational thickening agent for our decadent cheese sauce.

Cracked Black Pepper & Kosher Salt: Do not skimp on the pepper! The cracked black pepper flecks are a visual and flavor hallmark of this classic dish.

Dry Mustard & Nutmeg (Optional): A pinch of these “invisible” ingredients enhances the natural sharpness of the cheddar without making the dish taste like spice.

Close up photo of cubed potatoes submerged in a thick creamy pale yellow cheese sauce with melted cheddar on top. (Delmonico Potatoes)
Look at that thick, creamy cheese sauce coating every potato cube!

How to Make Delmonico Potatoes Step-by-Step

1. Preparing the Cubed Potatoes

Start by peeling 3 lbs (1.36kg) of Russet potatoes and cutting them into uniform 1/2-inch (1.25cm) cubes. Uniformity is key for even cooking.

Place the cubes in a large pot of cold, salted water. Bring to a boil and simmer for exactly 5-7 minutes. You want them “parboiled”—fork-tender on the outside but still firm in the center.

Drain the potatoes immediately and let them steam-dry for a few minutes. This removes excess moisture, ensuring your Delmonico Potatoes aren’t watery.

2. Crafting the Thick Creamy Cheese Sauce

In a heavy-bottomed saucepan, melt 4 tbsp (56g) of unsalted butter over medium heat. Whisk in 1/4 cup (30g) of all-purpose flour and cook for 2 minutes to remove the raw flour taste.

Slowly whisk in 1.5 cups (355ml) of whole milk and 1 cup (240ml) of heavy cream. Continue to whisk until the mixture thickens and coats the back of a spoon.

Remove from heat and stir in 2 cups (226g) of freshly shredded sharp cheddar cheese until melted. The sauce should be a thick, creamy, pale yellow cheese sauce.

3. Assembly and The First Bake

Gently fold the parboiled potato cubes into the cheese sauce. Add 1 tsp (2g) of cracked black pepper and salt to taste.

Transfer the mixture into a white ceramic rectangular baking dish. Spread it evenly, ensuring the potatoes are fully submerged in that luscious sauce.

Top the dish with an additional 1.5 cups (170g) of shredded sharp cheddar. This layer is what creates the melted, bubbling golden-brown cheddar cheese top.

4. Achieving the Perfect Charred Crust

Bake at 400°F (200°C) for 20-25 minutes. The sauce should be bubbling vigorously around the edges of the white ceramic dish.

For the final touch, turn the broiler on high for 2-3 minutes. Watch closely! You are looking for scattered dark brown charred spots and crispy edges to form on the cheese surface.

Pro Tips for the Best Delmonico Potatoes

  • Grate Your Own Cheese: Pre-shredded cheese is coated in potato starch, which can make your thick creamy cheese sauce feel gritty. Shred a block of sharp cheddar for the smoothest results.
  • Don’t Over-Boil: If the potatoes are too soft before they go into the oven, they will disintegrate into the sauce. Aim for *al dente*.
  • Let It Rest: Allow the dish to sit for 10 minutes after exiting the oven. This allows the sauce to set so it doesn’t run all over the plate when served.
  • Cold Water Start: Always start your potatoes in cold water to ensure the outside doesn’t turn to mush before the inside is cooked.

If you love this level of cheesiness, you should also try my copycat Chick-Fil-A mac and cheese for your next family gathering.

Storage and Reheating Instructions

To Store: Place any leftover Delmonico Potatoes in an airtight container and refrigerate for up to 4 days. The sauce will thicken significantly as it cools.

To Reheat: For the best results, reheat in the oven at 350°F (175°C) covered with foil until warmed through. Add a splash of milk if the sauce seems too thick.

Freezing: I do not recommend freezing this dish, as the dairy-based sauce can break and become grainy upon thawing.

What to Serve With This Cheesy Casserole

Because these potatoes are so rich and decadent, they pair best with savory meat dishes. They are a natural companion to garlic herb chicken, or even a hearty Amish hamburger bake.

If you want to keep the meal classic, serve them alongside a seared ribeye steak and roasted asparagus. The cracked black pepper in the potatoes complements the char of a steak perfectly.

Frequently Asked Questions

Yes, you can substitute frozen cubed hash browns to save time. Skip the parboiling step and simply fold the thawed cubes directly into the cheese sauce before baking.

The key is using the broiler for the last 2-3 minutes of cooking. The high direct heat caramelizes the proteins in the cheddar cheese, creating those flavorful crispy spots.

While both use a creamy sauce, Delmonico Potatoes use cubed parboiled potatoes instead of thin slices. Delmonico potatoes also typically feature a thicker, Mornay-style cheese sauce and a distinct charred cheese crust.

A sharp or extra-sharp cheddar provides the best flavor. Avoid mild cheddars as they can disappear into the cream. For the best melt, always grate your own cheese from a block.

Parboiling ensures the potatoes are fully cooked and tender. Since the cheese sauce is already thick, the potatoes wouldn’t release enough moisture or cook through properly if added raw to the oven.

The Official Delmonico Potatoes Recipe

Close up photo of cubed potatoes submerged in a thick creamy pale yellow cheese sauce with melted cheddar on top. (Delmonico Potatoes)

Delmonico Potatoes: The Ultimate Cheesy Baked Potato Casserole

Indulge in Delmonico Potatoes featuring tender cubed potatoes in a thick, creamy cheese sauce, topped with a bubbling golden-brown sharp cheddar crust and cracked black pepper. A classic steakhouse side dish made easy at home.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 8 cups
Course: Dinner, Side Dish
Cuisine: American
Calories: 485

Ingredients
  

Recipe Ingredients
  • 3 lbs Russet potatoes peeled and cut into 1/2-inch cubes (1.36kg)
  • 4 tbsp Unsalted butter (56g)
  • 1/4 cup All-purpose flour (30g)
  • 1.5 cups Whole milk (355ml)
  • 1 cup Heavy cream (240ml)
  • 3.5 cups Sharp cheddar cheese shredded, divided (396g)
  • 1 tsp Cracked black pepper plus more for garnish (2g)
  • 1 tsp Kosher salt to taste

Equipment

  • 1 White Ceramic Rectangular Baking Dish
  • 1 Large pot For parboiling potatoes
  • 1 Whisk

Method
 

Prep and Parboil
  1. Place cubed Russet potatoes in a large pot of cold salted water. Bring to a boil and cook for 5-7 minutes until parboiled. Drain and set aside.
Make the Sauce
  1. Melt butter in a saucepan over medium heat. Whisk in flour for 2 minutes. Slowly pour in milk and cream, whisking constantly until thickened.
  2. Remove from heat and stir in 2 cups of the shredded cheddar cheese, salt, and cracked black pepper until smooth and pale yellow.
Bake
  1. Fold potatoes into the sauce and transfer to a white ceramic baking dish. Top with remaining 1.5 cups of cheddar.
  2. Bake at 400°F (200°C) for 20 minutes. Broil for 2-3 minutes until golden brown with dark charred spots.

Notes

Use Russet potatoes for the best starch content to absorb the sauce.
Grate your cheese from a block to ensure a perfectly smooth, non-gritty texture.
A top-down view of Delmonico Potatoes in a white ceramic dish with a bubbling, charred golden-brown cheddar cheese crust and flecks of black pepper.
The perfect golden-brown charred crust on our Delmonico Potatoes.

Share Your Cheesy Masterpiece!

Did you get those perfect dark brown charred spots on your cheese crust? I want to see! Save this recipe to your Side Dish Board on Pinterest so you never lose it.

If you made these Delmonico Potatoes, please leave a 5-star rating in the recipe card above and drop a comment below. Following @leah_chef on Pinterest helps me keep bringing you these decadent steakhouse classics!

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