This Cheesy Delmonico Potatoes Casserole is a creamy and comforting dish filled with layers of tender potatoes and gooey cheese. It’s perfect for family gatherings or cozy dinners!
Every bite feels like a warm hug! I can’t resist going back for seconds (or thirds). Serve it with your favorite protein and watch everyone enjoy it until the last spoonful!
Key Ingredients & Substitutions
Potatoes: Russet potatoes are perfect due to their starchy consistency that becomes fluffy when baked. If you want a different texture, try Yukon Gold potatoes; they’ll add a creamier feel.
Cheddar cheese: I use sharp cheddar for a strong flavor, but you could substitute with a milder cheese or a blend of cheeses like Monterey Jack for a different taste. Just make sure they melt well!
Sour cream and mayonnaise: These add creaminess to the dish. If you’re looking for lighter options, use Greek yogurt in place of sour cream. If you want a dairy-free option, there’s also dairy-free mayo available.
Onion & Garlic: Onions give great flavor while garlic adds depth. If you prefer milder flavors, use green onions or shallots instead of yellow onions. You can also use garlic powder if you’re short on fresh garlic.
How Do I Ensure My Potatoes Are Cooked Evenly?
Getting those potato slices uniform is key for even cooking. Use a mandoline for consistent thickness, or a sharp knife if you prefer. Remember, slices should be about 1/8 inch thick. This helps them cook through properly in the baking process.
- When mixing, fold the potato slices gently to avoid breaking them. This keeps them intact for layering.
- Press down lightly as you layer in the dish to help the ingredients meld together as they bake.
Also, covering the casserole with foil at first traps steam to help cook the potatoes thoroughly, then removing the foil allows the top to crisp up nicely!
How to Make Cheesy Delmonico Potatoes Casserole
Ingredients You’ll Need:
For the Casserole:
- 4 large russet potatoes, peeled and thinly sliced
- 1 medium onion, finely chopped
- 3 cups sharp cheddar cheese, shredded (plus extra for topping)
- 1 ½ cups sour cream
- 1 cup mayonnaise
- 1 cup milk
- 3 cloves garlic, minced
- 1 teaspoon salt
- ½ teaspoon ground black pepper
- 1 teaspoon dried parsley (optional)
- ½ teaspoon smoked paprika or regular paprika (for topping)
- ¼ teaspoon cayenne pepper (optional)
- Butter or non-stick spray for greasing casserole dish
How Much Time Will You Need?
This delicious casserole will take approximately 15 minutes of prep time and 1 hour and 20 minutes of baking time, giving a total of about 1 hour and 35 minutes before it’s ready to enjoy. It’s a lovely dish for gatherings or a cozy family dinner!
Step-by-Step Instructions:
1. Preheat the Oven and Prepare Your Dish:
First things first—preheat your oven to 350°F (175°C). While that’s warming up, take a 9×13-inch casserole dish and lightly grease it with butter or non-stick spray. This will help your casserole not stick.
2. Slice the Potatoes:
Next, peel your russet potatoes and slice them thinly, about 1/8 inch thick. Using a mandoline slicer can help you get them evenly cut. This ensures the potatoes bake evenly.
3. Make the Creamy Mixture:
In a large mixing bowl, combine the sour cream, mayonnaise, milk, minced garlic, salt, black pepper, and dried parsley (if you’re using it). Stir everything together until the mixture is nice and smooth.
4. Add Cheese and Onions:
Now, it’s time to add in the shredded cheddar cheese and finely chopped onion. Stir everything together until all the ingredients are nicely combined.
5. Combine with Potatoes:
Carefully fold the sliced potatoes into the creamy cheese mixture. Ensure that every potato slice is well coated with that delicious sauce.
6. Layer the Potatoes:
Transfer the potato mixture into your prepared casserole dish. Layer it evenly and gently press down to create even layers throughout.
7. Add the Toppings:
Sprinkle some extra shredded cheddar cheese on top of the casserole to make it deliciously cheesy. Then lightly dust some paprika over the cheese for an added burst of color and flavor.
8. Bake the Casserole:
Cover the casserole dish with aluminum foil and slide it into your preheated oven. Let it bake for about 1 hour. After an hour, remove the foil and bake for an additional 20-25 minutes, or until the top is golden brown and bubbly.
9. Let It Cool:
Once done, take the casserole out and let it cool for about 10 minutes. This will allow the cheesy sauce to set a bit, making it easier to serve.
10. Serve and Enjoy!
Lastly, if you wish, garnish with a sprinkle of extra parsley for that pop of color. Serve warm as a delightful side dish or a comforting main dish. Enjoy your creamy, cheesy Delmonico Potatoes Casserole with a crispy browned top!
Can I Use Different Types of Cheese?
Absolutely! While sharp cheddar is recommended for its flavor, you can experiment with different cheeses like Monterey Jack, Gruyère, or a blend of your favorites. Just ensure they melt well!
How Can I Make This Dish Healthier?
You can lighten it up by substituting Greek yogurt for sour cream and using light mayonnaise. You could also sneak in some steamed vegetables, like broccoli or cauliflower, to add more nutrients without compromising flavor.
Can I Prepare This Casserole Ahead of Time?
Yes, you can! Prepare the casserole up to the baking step, cover it tightly, and refrigerate for up to 24 hours. When ready to bake, add a few extra minutes to the cooking time to ensure it heats through completely.
What’s the Best Way to Store Leftovers?
Store any leftover casserole in an airtight container in the fridge for up to 3 days. To reheat, place it in the oven at 350°F (175°C) until warmed through, or microwave it in individual portions.
