Microwave Potato Cheese Casserole

Prep: 15 min Cook: 60 min Cuisine: American

A creamy, cheesy potato casserole made with tender potatoes, onions, butter, and American cheese, perfect for comforting family meals or potlucks.

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Ingredients

  • 5 to 6 large white potatoes
  • 1 onion, chopped fine
  • 1 stick butter or oleo
  • 3 slices American cheese

Instructions

  1. Cut potatoes into small cubes.
  2. Add chopped onion and potato cubes to a casserole dish.
  3. Cut butter into pieces and place on top of the potatoes and onions.
  4. Microwave the casserole for 45 minutes.
  5. Add slices of American cheese on top and microwave for an additional 15 minutes.

Tips & Substitutions

For a creamier texture, consider adding a splash of milk or cream before microwaving. If you don't have American cheese, any melty cheese like cheddar or mozzarella can work as a substitute. You can also experiment with seasoning by adding garlic powder or paprika for extra flavor. For variation, try adding cooked bacon bits or leftover vegetables to incorporate more ingredients into this dish.

Serving Suggestions

This casserole is a comforting side dish that pairs beautifully with grilled meats or roasted vegetables. Serve it alongside a fresh salad or alongside dishes like Vegetable Rice Skillet for a balanced meal. For a heartier option, consider serving it with baked chicken or pork chops. Garnish with chopped parsley for a pop of color and added flavor.

Storage & Reheating

Leftover Potato Cheese Casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, microwave in short intervals, stirring occasionally, until heated through. For a crispier top, transfer to an oven-safe dish and bake at 350°F until warm and bubbly. Make sure to cover it with foil to prevent drying out.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Potato Cheese Casserole contains roughly 352 calories, with 5g protein, 13g carbohydrates, and 31g fat. It is a good source of protein (10% of the Daily Value).

352 kcal 18% DV
Protein Fat Carbs

Macronutrients

Protein 5.1g 10% DV
Total Fat 31.3g 40% DV
Carbs 12.8g 5% DV
Fiber 1g 4% DV
Sugar 1.5g 3% DV

Electrolytes

Sodium 339.7mg 15% DV
Potassium 203.7mg 4% DV
Cholesterol 87.8mg 29% DV

Vitamins & Minerals

Vitamin A 8.8mcg 1% DV
Vitamin C 3.9mg 4% DV
Vitamin D 0mcg
Calcium 111.2mg 9% DV
Iron 0.5mg 3% DV
Diet fit Low-carb Under 400 cal
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 different types of potatoes for this recipe?

Yes, you can use different types of potatoes such as red or Yukon gold potatoes. Each variety will give a slightly different texture and flavor, but they will all work well in this casserole. Just make sure to cut them into similar-sized cubes for even cooking.

How can I make this casserole vegetarian?

This recipe is already vegetarian-friendly as it uses potatoes, onions, and cheese. If you want to enhance it, consider adding more vegetables like bell peppers, broccoli, or spinach. You can also replace butter with a plant-based alternative to keep it vegan, and use vegan cheese for a dairy-free option.

Can I prepare this casserole in advance?

Absolutely! You can prepare the casserole ahead of time by assembling all the ingredients in the dish and refrigerating it until you're ready to cook. When you're ready to serve, just microwave it according to the instructions, adding extra time if it's cold from the fridge.

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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