Irish Potato Casserole

Prep: 10 min Cook: 15 min Serves: 4 Cuisine: Irish

Irish Potato Casserole is a hearty, comforting dish featuring tender boiled potatoes layered with a savory mushroom and tomato sauce, topped with cheese and bacon. Perfect for family dinners or special occasions, it offers rich flavors with a creamy, cheesy goodness that everyone will enjoy.

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Ingredients

  • 1 large onion
  • 1 can cream of mushroom soup
  • 1 can chopped Ro-Tel tomatoes
  • 1 jar Cheez Whiz

Instructions

  1. Chop the onion and cook in a little butter in a saucepan until tender.
  2. Add a can of cream of mushroom soup and a can of chopped Ro-Tel tomatoes to the saucepan.
  3. Cook until the mixture thickens slightly.
  4. Add a small jar of Cheez Whiz to the mixture and boil gently.
  5. Boil the potatoes unpeeled until tender.
  6. Slice the cooked potatoes crosswise and layer them in a casserole dish.
  7. Pour the soup mixture over the layered potatoes.
  8. Top with crumbled bacon and grated cheese.
  9. Bake in a 350°F oven for about 15 minutes until hot and bubbly.

Tips & Substitutions

For a creamier texture, consider adding a splash of milk or sour cream to the soup mixture. If you prefer a healthier version, substitute Cheez Whiz with a homemade cheese sauce or nutritional yeast for a vegan option. You can also add vegetables like shredded zucchini or bell peppers for extra flavor and nutrition. Adjust the seasoning to your taste for the best result.

Serving Suggestions

This Irish Potato Casserole pairs beautifully with a side salad or steamed vegetables for a balanced meal. For a cozy feel, serve it alongside crusty bread or a warm bowl of soup. It also works well as a hearty side dish for grilled meats or vegetarian recipes. Feel free to garnish with fresh herbs for an extra pop of flavor.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in a microwave-safe dish and heat in 1-minute intervals, stirring in between, until heated through. Alternatively, reheat in a preheated oven at 350°F for about 15 minutes, covered with foil to prevent drying out.

Nutrition & Diet Analysis (per serving)

Each serving of Irish Potato Casserole contains roughly 451 calories, with 7g protein, 55g carbohydrates, and 23g fat. It is a good source of protein (14% of the Daily Value), dietary fiber (14% of the Daily Value), and potassium (13% of the Daily Value). It also contributes 4g of dietary fiber toward your daily target.

451 kcal 23% DV
Protein Fat Carbs

Macronutrients

Protein 6.9g 14% DV
Total Fat 23.2g 30% DV
Carbs 55.3g 20% DV
Fiber 3.9g 14% DV
Sugar 6.9g 14% DV

Electrolytes

Sodium 392mg 17% DV
Potassium 600mg 13% DV
Cholesterol 1mg

Vitamins & Minerals

Vitamin A 7mcg 1% DV
Vitamin C 8.4mg 9% DV
Calcium 55.3mg 4% DV
Iron 1.8mg 10% DV
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use fresh tomatoes instead of canned Ro-Tel?

Yes, you can use fresh tomatoes! Just chop about 2-3 medium-sized tomatoes and add them to the saucepan. You may need to cook them a bit longer to achieve the right consistency, but they will add a fresh flavor to the dish.

What can I substitute for Cheez Whiz?

If you're looking for a substitute, you can use a homemade cheese sauce made from melted cheddar and cream, or opt for a vegan cheese alternative. Nutritional yeast can also provide a cheesy flavor without the dairy, making it great for those following a plant-based diet.

Can I make this casserole ahead of time?

Absolutely! You can prepare the casserole up to the baking step, cover it tightly, and refrigerate it for up to 24 hours. When ready to bake, allow it to come to room temperature for about 30 minutes before placing it in the oven to ensure even cooking.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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