Potatoes Delmonico Recipe for Creamy, Classic Comfort Food

If you’re looking for a side dish that feels both timeless and indulgent, this Potatoes Delmonico Recipe is it. Creamy, golden, and full of rich, savory flavor, Delmonico potatoes are the kind of dish that steals the show, even next to a beautifully roasted main. Baked to bubbling perfection, this comforting casserole of diced potatoes in a cheese-laced cream sauce has been a favorite at holiday dinners, family gatherings, and potlucks for generations.

Whether you’re a fan of retro American classics, want to elevate your usual white potatoes recipes, or simply need something delicious to do with boiled potatoes, this recipe delivers. It’s also wonderfully flexible—use canned potatoes, leftover diced potatoes, or even Simply Potatoes for a quick prep option without compromising flavor.

Perfect for Thanksgiving, Easter, or your next potluck potato recipe, Delmonico potatoes are simple to make, endlessly versatile, and utterly satisfying. Let’s dive into this golden, cheesy classic that deserves a spot on your dinner table.

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Why You’ll Love This Delmonico Potatoes Recipe

There’s a reason this recipe has stood the test of time. First, the texture—soft, tender chunks of potato enveloped in a velvety, slightly tangy cheese sauce. The topping? Golden and crispy, giving each bite a contrast that keeps you going back for more.

Second, the flavor is both comforting and refined. With hints of onion, nutmeg, and sharp cheese, it has the elegance of Italian potato recipes, yet it feels as cozy as your favorite Sunday dinner side dish.

Finally, it’s an incredibly easy dish to scale up or down. Whether you’re feeding two or twenty, it comes together with pantry staples and minimal fuss. It’s also a brilliant way to breathe new life into leftover boiled potatoes or even experiment with recipes using canned potatoes when time is short.

Ingredients for Potatoes Delmonico Recipe

Here’s everything you’ll need to make this classic dish. Be sure to use fresh, high-quality ingredients for the best flavor and texture.

• 4 cups diced cooked white potatoes (boiled or steamed)
• 3 tbsp unsalted butter
• 2 tbsp all-purpose flour
• 1 ½ cups whole milk (warm)
• ½ cup heavy cream
• 1 small onion, finely minced
• 1 tsp Dijon mustard (optional for depth)
• ½ tsp salt (or to taste)
• ¼ tsp ground white pepper
• ¼ tsp ground nutmeg
• 1 ½ cups shredded sharp cheddar cheese (or Gruyère for a fancier version)
• ¼ cup grated Parmesan cheese
• ½ cup breadcrumbs (for topping)
• 1 tbsp butter, melted (to mix with breadcrumbs)
• Chopped parsley, for garnish (optional)

These ingredients yield about 6 servings, making it a great side for a small gathering or family dinner.

Kitchen Equipment You’ll Need

No fancy gadgets needed—just a few basics from your kitchen arsenal:

• Large saucepan
• Medium saucepan or skillet
• Mixing spoon or whisk
• 9×13-inch baking dish (or similar size casserole dish)
• Measuring cups and spoons
• Cutting board and knife
• Cheese grater
• Small mixing bowl for breadcrumb topping

With just these tools, you’ll be able to create a dish that looks (and tastes) like it came from a high-end bistro.

Step-by-Step Instructions for Delmonico Potatoes

Step 1: Prepare the Sauce

In a medium saucepan, melt 3 tablespoons of butter over medium heat. Add the minced onion and cook for about 3–4 minutes, until softened and fragrant. Stir in the flour and cook for 1 minute more, creating a smooth roux.

Gradually whisk in the warm milk and cream, stirring constantly until smooth. Add salt, white pepper, nutmeg, and Dijon mustard (if using). Bring to a gentle simmer and let it thicken for 3–4 minutes, stirring often.

Once the sauce has thickened slightly, stir in the shredded cheddar cheese. Mix until fully melted and smooth. Remove from heat.

Step 2: Assemble the Casserole

Preheat your oven to 375°F (190°C). In a large mixing bowl, gently toss the diced cooked potatoes with the cheese sauce until well coated.

Pour the mixture into a greased baking dish, spreading it out evenly. In a small bowl, combine the breadcrumbs with the melted butter and Parmesan cheese. Sprinkle this mixture generously over the top of the casserole.

Step 3: Bake Until Golden

Bake the casserole for 25–30 minutes, or until the top is golden brown and the sauce is bubbling around the edges. For extra crispness, broil the top for an additional 1–2 minutes—just keep an eye on it so it doesn’t burn.

Let cool slightly before serving. Garnish with chopped parsley for a fresh, colorful touch.

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What to Do With Boiled Potatoes – Beyond the Basics

Boiled potatoes are a blank canvas—and this dish is one of the best answers to the question: what to do with boiled potatoes?

But if you have extras beyond this recipe, try:

• Turning them into a rustic mashed potato bake
• Slicing and pan-frying with herbs for crispy potato medallions
• Mixing into a potato salad with a mustard vinaigrette
• Roasting with garlic and paprika for a crisp second life

If you’ve got Simply Potatoes diced varieties, those work beautifully in this dish, too. Just be sure to thaw and pat dry before adding to the cheese sauce.

Creative Twists and Toppings for Delmonico Potatoes

Want to put your own spin on this classic? Here are a few ideas:

• Use Gruyère or Fontina cheese for a more elevated flavor
• Add crumbled cooked bacon for a smoky, savory kick
• Mix in roasted garlic or sautéed mushrooms for depth
• Top with baked potato toppings ideas like green onions, sour cream swirls, or even a drizzle of hot sauce
• Swap breadcrumbs for crushed buttery crackers for extra crunch

Delmonico potatoes are extremely forgiving and easy to customize—perfect for every season.

Using Diced, Canned, or Simply Potatoes in This Recipe

Short on time? You can still make a version of this dish using convenience ingredients:

• Canned potatoes: Rinse and dice, then proceed with the recipe as usual. They tend to be a bit softer, so stir gently.
• Simply Potatoes recipes diced: These pre-cut potatoes save loads of prep time and work just as well.
• Leftover roasted or baked potatoes: Chop and fold in—they’ll add a slightly caramelized flavor that’s fantastic.

Whatever route you take, this Delmonico potatoes recipe adapts beautifully.

Make-Ahead, Storage, and Reheating Tips

This dish is a great make-ahead option for holidays or meal prepping.

To make ahead: Assemble the entire casserole (without baking), cover, and refrigerate up to 24 hours in advance. Bake just before serving.

To store leftovers: Transfer cooled portions to an airtight container and refrigerate for up to 4 days.

To reheat: Warm individual servings in the microwave or reheat the entire dish in the oven at 350°F (175°C) for 15–20 minutes until hot and bubbly. Add a splash of milk or cream if the sauce has thickened too much.

To freeze: Assemble, cover tightly, and freeze unbaked. Thaw in the fridge overnight before baking.

Serving Suggestions and Perfect Pairings

Potatoes Delmonico pair beautifully with all kinds of main dishes:

• Roast chicken or turkey
• Grilled or braised steaks
• Baked salmon or cod
• Roasted vegetables or glazed carrots
• A crisp green salad with vinaigrette for balance

Serve them as part of a baked potato dinner idea night or alongside a vegetarian entrée like stuffed peppers or mushroom Wellington.

Potatoes Delmonico for Potlucks and Holiday Dinners

This recipe is ideal for potluck potato recipes and big family meals. It travels well, stays warm in insulated carriers, and can be made in large foil pans for easy cleanup.

Garnish with chopped herbs or paprika before serving to make it extra festive. For holidays like Thanksgiving or Easter, pair with your favorite mains and a medley of colorful vegetable sides for a well-rounded feast.

Common Mistakes to Avoid with Delmonico Potatoes

• Using undercooked potatoes: Make sure they’re fully tender before adding to the sauce.
• Skipping the roux: The butter-flour base is essential for a creamy, smooth sauce.
• Using low-fat dairy: Whole milk and cream give the richness this dish is known for.
• Underseasoning: Don’t be afraid to add a little more salt, especially if using mild cheeses.
• Overbaking: The top should be golden, not dry or over-crisped. Watch it carefully!

Frequently Asked Questions About White Potato Recipes

Can I use red or Yukon Gold potatoes instead?
Yes, though russets or white potatoes hold their shape best. Softer potatoes may break down slightly more.

Is this gluten-free?
Not as written, but you can use a gluten-free flour blend for the roux and gluten-free breadcrumbs for topping.

Can I make this vegetarian?
Absolutely! Just make sure your cheeses are vegetarian-friendly.

What cheese works best?
Sharp cheddar is classic, but Gruyère, Fontina, or Havarti work wonderfully for added flavor.

Conclusion

This Potatoes Delmonico Recipe is more than just a side dish—it’s a celebration of creamy, cheesy comfort food done right. Whether you’re pulling together a last-minute family dinner, contributing to a holiday feast, or just looking to jazz up some leftover boiled potatoes, this classic delivers big flavor with minimal effort.

Try this recipe for your next gathering or cozy night in—and see how quickly it becomes a family favorite. If you love timeless potato dishes and crave more white potatoes recipes and holiday sides, be sure to share this recipe, save it for later, and subscribe to our blog for more delicious ideas.

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