Steps

1. Chop cucumber (1/4 pc) and carrot (1/4 pc) into bite-sized pieces.
   🕒 02:15
2. Place the chopped cucumber and carrot in a bowl, and mix with [B] Sugar (1 tbsp), [B] Salt (1/3 tsp), [B] Vinegar (1 tbsp), and [B] Water (1 tbsp).
   🕒 02:39
3. Cover the bowl with plastic wrap and microwave.
   🕒 03:04
4. Finely chop onion (1/8 to 1/4 pc).
   🕒 03:11
5. Add ground pork and beef (100g), the chopped onion, and a small amount of the egg white from egg (1 pc) to a bowl and mix. Key Tip: Using only egg white as a binder for the hamburg steak saves time. By using the remaining egg yolk and white for a fried egg, you get a perfectly sized fried egg for your bento.
   🕒 03:33
6. Add salt (to taste), pepper (to taste), and water (1 tbsp) to the hamburg steak mixture and mix.
   🕒 04:28
7. Knead the mixture thoroughly until smooth.
   🕒 04:42
8. Lightly grease your hands with vegetable oil and shape the hamburg steak mixture into flat circles.
   🕒 04:58
9. Heat vegetable oil (1 tbsp) in a frying pan, and place the shaped hamburg steaks without indenting the center. Sear until golden brown.
   🕒 05:32
10. Move the hamburg steaks to one side of the pan, and crack the egg yolk and remaining egg white into the empty space to make a fried egg.
    🕒 06:00
11. Add a small amount of water to the frying pan, cover with a lid, and steam the hamburg steaks and fried egg. Key Tip: Ensuring the yolk is fully cooked provides peace of mind when packing for a bento.
    🕒 06:21
12. Place cooked rice (to taste) into the bento box. Key Tip: Let the rice cool slightly before packing.
    🕒 06:53
13. If the frying pan used for the hamburg steak is messy, lightly wipe it clean. Add [A] Cooking Sake (Rice Wine) (1 tbsp), [A] Mirin (Sweet Rice Wine) (1 tbsp), [A] Soy Sauce (2 tsp), and [A] Tomato Ketchup (1 tbsp), mix, and simmer until thickened. Key Tip: Adding soy sauce to ketchup creates a Japanese-style flavor.
    🕒 08:05
14. Place the hamburg steak on top of the rice and pour the prepared sauce over it. Key Tip: Let the sauce cool before pouring.
    🕒 08:50
15. Place the fried egg on top of the hamburg steak.
    🕒 09:09
16. Arrange the microwaved pickles around the hamburg steak. Key Tip: Making the pickles the night before saves time.
    🕒 09:12
17. Sprinkle with pepper (optional) to finish.
    🕒 09:44