Ingredients

• 4 cups cooked rice
• 6 tablespoons mirin (Japanese sweet wine)
• 3 tablespoons soy sauce
• 2 tablespoons sake
• 1 onion, cut into wedges
• 10 ounces beef, thinly sliced
• 4 eggs
• 1 teaspoon pickled ginger (beni shoga), or to taste (optional)

Instructions

1. Divide rice evenly between 4 donburi bowls.
2. Bring mirin, soy sauce, and sake to a boil in a pot over medium heat. Add onion; cook and stir until onion is translucent, about 5 minutes. Stir in beef; simmer until no longer pink and cooked through, about 5 minutes. Spoon beef and onion over rice using a slotted spoon.
3. Place eggs in the pot; bring to a boil. Cook until soft boiled, 5 to 7 minutes. Peel; add to bowls. Garnish with pickled ginger.