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Japanese Creamy Potato Rice

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  • Author: Elina
  • Prep Time: 20 minutes
  • Cook Time: 10 minutes
  • Total Time: 30 minutes
  • Yield: 2 servings 1x
  • Category: Main Course
  • Method: Boiled + Broiled
  • Cuisine: Japanese Fusion
  • Diet: Vegetarian

Description

A comforting Japanese fusion dish featuring fluffy short-grain rice topped with velvety mashed potatoes, melty cheese, and a rich egg yolk, delivering a creamy, savory bowl perfect for cozy meals.


Ingredients

Units Scale
  • 2 cups cooked Japanese short-grain rice
  • 2 medium potatoes, peeled and cubed
  • 2 tbsp butter
  • 1/4 cup milk or cream
  • Salt and white pepper to taste
  • 2 slices melty cheese (like mozzarella or processed cheddar)
  • 2 egg yolks (fresh and pasteurized)
  • 1/4 tsp garlic powder
  • 2 tbsp mayonnaise (Japanese Kewpie preferred)
  • Optional: small diced ham or cooked chicken for mixing

Instructions

  1. Boil the cubed potatoes in salted water until fork-tender, then drain.
  2. Mash the potatoes with butter, milk, garlic powder, and season with salt and white pepper until smooth and creamy.
  3. In a small bowl, mix hot cooked rice with mayonnaise until the grains are lightly coated.
  4. Place the rice in the center of an oven-safe dish or bowl and top with mashed potatoes, shaping into a dome.
  5. Lay the cheese slices over the dome, covering it completely.
  6. Use a kitchen torch to lightly char and melt the cheese, or place under a broiler until golden and melted.
  7. Top the center of the dome with a raw egg yolk carefully.
  8. Serve immediately, mixing the egg yolk into the hot potato and rice just before eating.

Notes

  • Use fresh pasteurized egg yolks for food safety.
  • Japanese Kewpie mayo adds extra umami flavor—substitute regular mayo if needed.
  • For added protein, mix in diced ham or cooked chicken with the rice before layering.
  • Cheese torching adds flavor but can be done under a broiler if a torch isn’t available.

Nutrition

  • Serving Size: 1 bowl
  • Calories: 470 kcal
  • Sugar: 3g
  • Sodium: 290mg
  • Fat: 28g
  • Saturated Fat: 12g
  • Unsaturated Fat: 13g
  • Trans Fat: 0g
  • Carbohydrates: 42g
  • Fiber: 3g
  • Protein: 11g
  • Cholesterol: 195mg