Daging Sapi Rebus dengan Jahe (Shigureni)

Bahan-bahan (2 porsi)

• 1 knob ginger ((1 inch, 2.5 cm))
• ½ lb thinly sliced beef (such as ribeye) ((or slice your own meat))
• 2 Tbsp sake
• 2 Tbsp mirin ((or substitute with 2 tsp sugar + 2 Tbsp water))
• 2 Tbsp soy sauce
• 1 tsp sugar ((optional; adjust according to your liking))