Irish Potatoes Casserole

Irish Potatoes Casserole: A Hearty and Comforting Dish

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Looking for a delicious and satisfying side dish that’s perfect for any occasion? Look no further than this Irish Potatoes Casserole! Bursting with creamy goodness and comforting flavors, this casserole is sure to become a favorite at your dinner table. Made with simple ingredients and easy to prepare, it’s the perfect accompaniment to any meal, whether you’re celebrating St. Patrick’s Day or simply craving a hearty comfort food. Plus, with options for keto and low-carb variations, everyone can enjoy this classic Irish dish. So gather your ingredients and get ready to indulge in a taste of Ireland with every bite!



  • 2 lbs of potatoes, peeled and sliced into 1/4-inch rounds
  • 1 cup of shredded sharp cheddar cheese
  • 1/2 cup of milk (feel free to use a non-dairy alternative!)
  • 1/4 cup of unsalted butter
  • 1/2 cup of sour cream (low-fat works too!)
  • 1/3 cup of sliced green onions
  • 1 tsp of salt
  • 1/2 tsp of black pepper
  • Cooking spray for the baking dish


  1. Preheat the Oven: Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with cooking spray and set aside.
  2. Prepare the Potatoes: Peel the potatoes and slice them into 1/4-inch rounds. Place the sliced potatoes in a large mixing bowl.
  3. Make the Sauce: In a small saucepan, melt the butter over medium heat. Once melted, add the milk and bring to a simmer. Remove from heat and stir in the shredded cheddar cheese until melted and smooth.
  4. Combine Ingredients: Pour the cheese sauce over the sliced potatoes in the mixing bowl. Add the sour cream, sliced green onions, salt, and black pepper. Gently toss until all ingredients are well combined.
  5. Assemble the Casserole: Transfer the potato mixture to the prepared baking dish, spreading it out evenly.
  6. Bake: Cover the baking dish with aluminum foil and bake in the preheated oven for 40-45 minutes, or until the potatoes are tender and the casserole is heated through.
  7. Serve and Enjoy: Once baked, remove the foil from the baking dish and serve the Irish Potatoes Casserole hot. Garnish with additional sliced green onions if desired, and enjoy the creamy goodness!

Cook Notes and Variations:

  • Add Some Heat: For a spicy kick, add a pinch of cayenne pepper or red pepper flakes to the cheese sauce.
  • Make it Cheesy: Experiment with different types of cheese such as Irish cheddar, Gouda, or Monterey Jack for unique flavor combinations.
  • Add Protein: Mix in cooked bacon or diced ham for added protein and flavor.
  • Make it Gluten-Free: Use gluten-free flour or cornstarch to thicken the cheese sauce, and make sure all other ingredients are gluten-free.

Keto and Low-Carb Versions:

Keto Version:

To make this Irish Potatoes Casserole keto-friendly, consider the following adjustments:

  • Replace the potatoes with cauliflower florets or turnips to reduce the carb content.
  • Use heavy cream instead of milk for a higher fat content.
  • Increase the amount of cheese and butter to add more fat and flavor.

Low-Carb Version:

For those looking to cut carbs, try the following modifications:

  • Use cauliflower florets instead of potatoes for a low-carb alternative.
  • Replace the milk with a non-dairy alternative such as almond milk or coconut milk to reduce the carb content.
  • Use full-fat sour cream and cheese to keep the carb count low while adding richness to the dish.

In conclusion, this Irish Potatoes Casserole is a delicious and versatile dish that’s perfect for any occasion. Whether you’re celebrating St. Patrick’s Day or simply looking for a comforting side dish to accompany your meal, this casserole is sure to please. With its creamy texture, savory flavors, and options for keto and low-carb variations, it’s a dish that everyone can enjoy. So why not add a taste of Ireland to your dinner table tonight?

Frequently Asked Questions (FAQs)

Q: Can I prepare this casserole ahead of time and bake it later? A: Yes, you can assemble the casserole ahead of time and refrigerate it until you’re ready to bake. Simply cover the dish tightly with aluminum foil or plastic wrap and store it in the refrigerator for up to 24 hours. When ready to bake, remove the casserole from the refrigerator, let it come to room temperature, and bake as directed.

Q: Can I freeze leftovers of this casserole? A: Yes, leftovers of this casserole can be frozen for later enjoyment. Allow the casserole to cool completely, then transfer individual portions or the entire dish to freezer-safe containers or resealable bags. Freeze for up to 3 months. To reheat, thaw the casserole in the refrigerator overnight and bake in a preheated oven until heated through.

Q: Can I add other ingredients to this casserole? A: Absolutely! Feel free to customize this casserole with your favorite ingredients such as cooked bacon, diced ham, chopped broccoli, or sautéed mushrooms for added flavor and texture.

Q: Can I use different types of cheese in this casserole? A: Yes, you can experiment with different types of cheese to suit your taste preferences. Try using Swiss cheese, Gruyère, or a combination of cheeses for unique flavor combinations.

Q: Can I make this casserole without dairy? A: Yes, you can make this casserole dairy-free by using a non-dairy alternative for the milk, butter, sour cream, and cheese. Opt for coconut milk, dairy-free butter, coconut cream, and vegan cheese substitutes for a delicious dairy-free version of this dish.


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