Microwave Potato Gratin: Easy and Creamy Recipe

In the realm of comfort food, nothing hits the spot quite like a creamy, cheesy Potato Gratin. Traditionally baked, our version cuts down on time without skimping on flavor by using a microwave. This Microwave Potato Gratin is not only a quick alternative to oven-baked versions but also a versatile dish that can be tailored to your taste.

Ingredients Needed:

  • Potatoes, 2 large, thinly sliced
  • Sweet corn, 1/2 cup
  • Bacon, 1/4 cup, chopped
  • Bell pepper, 1/4 cup diced (optional)
  • Mozzarella cheese, 1/2 cup, shredded
  • Milk, 1 cup
  • Salt, 1 teaspoon (or to taste)
  • Pepper, 1/2 teaspoon (or to taste)

Detailed Instructions:

Prepare the Ingredients:

  1. Wash and peel two large potatoes. Using a sharp knife or a mandoline slicer, cut them into thin slices, about 1/8 inch thick, to ensure they cook evenly.
  2. If using bell peppers, wash, remove the seeds, and dice them into small pieces.
  3. Measure 1/4 cup of bacon, chopping it into small pieces to distribute the flavor evenly through the gratin.
  4. Measure 1/2 cup of sweet corn. If using canned corn, drain it well before adding.

Layer the Ingredients:

  1. In a microwave-safe dish, arrange a layer of half of the thinly sliced potatoes.
  2. Over the potatoes, evenly distribute half of the chopped bacon, sweet corn, and diced bell pepper (if using).
  3. Season with half the salt and pepper.
  4. Repeat the layering with the remaining potatoes, bacon, sweet corn, bell pepper, and season again with the remaining salt and pepper.
  5. Pour 1 cup of milk over the assembled layers, ensuring it just covers the ingredients.


  1. Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
  2. Microwave on high for about 10 minutes. Halfway through, pause to gently stir the layers to ensure even cooking and avoid any hot spots.
  3. After the initial cooking, check the potatoes with a fork to see if they are tender. If not, microwave for an additional 2-3 minutes.

Add Cheese and Finish Cooking:

  1. Once the potatoes are tender, remove the dish from the microwave and evenly sprinkle 1/2 cup of shredded mozzarella cheese over the top.
  2. Return to the microwave and cook uncovered for an additional 3-5 minutes, or until the cheese is thoroughly melted and bubbly.


  1. Let the gratin stand for a few minutes after cooking. This allows the layers to set slightly, making it easier to serve.
  2. Serve hot as a delightful side dish or a comforting main course.

Serving Suggestions:

This Microwave Potato Gratin is versatile enough to serve as a main dish or a side:

  1. As a Main Dish: Serve a generous portion paired with a side of mixed greens or a Caesar salad to round out the meal. A crusty piece of bread can also complement the creaminess of the gratin.
  2. As a Side Dish: Perfect alongside roasted meats such as chicken or pork. The gratin’s creamy texture pairs well with the savory flavors of grilled or baked proteins.
  3. Brunch Idea: Offer the gratin as part of a brunch spread. It pairs wonderfully with eggs, whether poached, scrambled, or in an omelet.
  4. Presentation Tips: Garnish with fresh herbs like parsley or chives to add color and a touch of freshness right before serving.

Nutritional Benefits:

  • Potatoes: Provide vitamin C, which is vital for immune function, and potassium, important for blood pressure control. They are also a good source of vitamin B6 and dietary fiber, which helps in energy metabolism and digestive health.
  • Milk: Adds a source of protein and calcium, essential for bone health. It also contributes B vitamins necessary for energy production.
  • Bacon: Although high in fat, it offers protein and B vitamins. Opt for reduced-fat versions or turkey bacon for a healthier choice.
  • Sweet Corn: Brings a dose of fiber, vitamins, and minerals, including B vitamins for energy and antioxidants for overall health.
  • Cheese: Adds calcium, protein, and phosphorus, which are crucial for strong bones and teeth.

Variations and Substitutions:

  1. Cheese Varieties: Experiment with different cheeses such as cheddar for a sharper flavor, or a smoked gouda for a unique twist.
  2. Vegetarian Option: Omit bacon and add mushrooms or spinach for a vegetarian version still rich in flavor.
  3. Extra Creaminess: For a richer gratin, substitute half of the milk with cream or a dollop of cream cheese.

Storage and Reheating Tips:

  1. Storage: Store any leftovers in an airtight container in the refrigerator for up to three days.
  2. Reheating: Reheat in the microwave covered, on medium power, stirring occasionally to distribute heat evenly. You can also reheat it in the oven at 350°F until heated through.

Healthier Modifications:

  1. Reduce Sodium: Use low-sodium bacon and cheese, and limit added salt. Enhance flavor with herbs and spices like paprika or garlic powder instead.
  2. Lower Fat Options: Use skim milk and part-skim mozzarella, or replace some cheese with nutritional yeast for a cheesy flavor without the fat.
  3. Increase Fiber: Add a layer of sliced tomatoes or zucchini to increase the fiber content and nutritional value of the dish.

Tips for Perfect Microwave Cooking:

  • Always use microwave-safe cookware.
  • Adjust cooking times based on your microwave’s wattage.
  • Stirring halfway through cooking promotes even heat distribution.

Common Questions About Microwave Potato Gratin:

  1. Can I prepare this dish ahead of time? Yes, you can assemble the gratin ahead and microwave it when ready to serve.
  2. Is it possible to reheat this gratin? Yes, leftovers can be reheated in the microwave, covered, on medium power for 2-3 minutes.

This quick Microwave Potato Gratin recipe brings traditional comfort food to your table in no time, proving that quick meals can still be delicious and satisfying. Enjoy the blend of creamy, cheesy goodness with every bite!

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