Japanese Hamburger Steak with Mushroom Sauce

• 350 grams Mixed ground beef and pork
• 1/2 Onion (finely chopped)
• 1 Egg
• 133 ml Panko
• 4 tbsp Milk
• 1 Salt and pepper
• 1/2 bag Enoki mushrooms
• 1 packet Shimeji mushrooms
• 200 ml Water
• 1 tsp Dashi stock granules
• 3 1/2 tbsp of each Soy sauce, mirin
• 2 tbsp Sake
• 1 tbsp of katakuriko dissolved in 2 tablespoons of water Katakuriko slurry

1. Slice the stems the mushrooms.
2. Cut the enoki mushrooms into 1 cm pieces, and shred the shimeji mushrooms into small chunks.
3. Soak the panko in milk.
4. In a bowl, mix the ground meat, onions, egg, soaked panko, enoki mushrooms, salt and pepper, then knead, divide into 4 portions, and mold into patties.
5. Add oil to a pan, and fry over medium heat.
6. Flip over once they turn golden brown, cover with a lid, and cook for another 5 minutes.
7. They're done when you poke a toothpick through and the juice runs clear.
8. Transfer to a plate.
9. Lightly wipe the oil from the pan, add the ingredients, bring to a boil, and add the shimeji mushrooms.
10. Once the mushrooms are cooked, add the water-dissolved katakuriko to thicken.
11. Pour the sauce over the hamburgers, and serve.

pork, onion, egg, milk, salt, enoki mushrooms, packet, water, granules, soy sauce, sake, water

Taken from cookpad.com/us/recipes/158847-japanese-hamburger-steak-with-mushroom-sauce (may not work)