Step 1 of 7

Take one thin slice of beef and one portion of enoki mushroom, roll it up and rest it opening side facing down.

Step 2 of 7

In a bowl, mix dashi stock, soy sauce, mirin, sugar, and black pepper.

Step 3 of 7

Drizzle oil in a pan, and add onions. Turn the heat to medium-high and pan-fry for 3-4 minutes or until the onion is slightly translucent and soft.

Step 4 of 7

Place the sliced beef on top of the onion, drizzle in the sauce, put the lid on, and let it cook for 3 minutes.

Step 5 of 7

Remove the lid, turn the beef, and depending on the cut/thickness of the beef, you may need to cook another 1-2 minutes.

Step 6 of 7

Drizzle the egg all over the pan onto the sauce, and simmer for another 2-3 minutes.

Step 7 of 7

Garnish with green onion, and enjoy with rice!