Layered Beef and Potato Hamburger Steak

• 200 grams Beef (shoulder), thinly sliced
• 1 large Potato
• 1 Egg yolk
• 1 Salt . pepper
• 4 tbsp White wine
• 150 ml Grated daikon radish
• 1 tbsp Sake
• 2 tbsp each Mirin, soy sauce

1. Season the beef with salt and pepper, add the yolk and work it in lightly.
2. Slice the potato 3 mm thick and soak in a bowl of water for 5 minutes.
3. Take the potato and put into a heatproof container, cover with plastic wrap and microwave for 90 seconds at 600 W.
4. Spread the beef, and wrap around the cooked potato slices.
5. (Use 3 to 4 slices of potato for each hamburger.)
6. Form into oval patties, and season with salt and pepper.
7. Put a little vegetable oil in a pan and brown the hamburgers.
8. (Wipe fat that accumulates in the pan with paper towels.)
9. When both sides are browned, add the wine, cover with a lid and let steam for 3 minutes.
10. Transfer to serving plates.
11. Wipe the pan, add the ingredients, and simmer to reduce.
12. Add the grated daikon radish and mix.
13. Pour the sauce over the hamburgers and they're done.

beef, potato, egg yolk, salt, white wine, radish, sake, mirin

Taken from cookpad.com/us/recipes/167914-layered-beef-and-potato-hamburger-steak (may not work)