hamburger steak with mushroom sauce

ingredients:

• 14 ounces ground beef
• 14 ounces onion
• 1 egg
• 4 teaspoons soy sauce
• a little salt
• a little pepper
• 1 teaspoon nutmeg
• 2 tablespoons salad oil
• 3 tablespoons bread crumbs

mushroom sauce:

• 6 shiitake mushrooms
• 1 package shimeji mushrooms
• 3 tablespoons soy sauce
• 2 tablespoons sake
• 1 1/2 tablespoons sugar
• 1 tablespoon oil

step 1:

Chop the onion. Heat 1 tablespoon of the salad oil in a frying pan over a medium flame and sear the onion. After it becomes clear, remove from the heat and cool for more than 20 minutes.

step 2:

Beat the egg and mix with the ground beef, seared onion, bread crumbs, salt, pepper and nutmeg in a big bowl. Form into 4 balls and flatten into patties.

step 3:

Heat the remaining tablespoon of oil in the frying pan over a medium flame and add the patties. Cover and sear the patties for a couple of minutes.

step 4:

After they change color, sear the opposite side for a couple of minutes.

step 5:

To make the mushroom sauce, first cut off the roots of the shimeji mushrooms. Wipe the shiitake mushrooms with a wet paper towel. Cut off the stems and cut the caps into 4 pieces.

step 6:

Heat the salad oil in a pan or a frying pan. Saute the mushrooms for 1 minute. Add the soy sauce, sake and sugar. Saute and stir for a couple of minutes.