Beef Teriyaki

Bahan-bahan (2 porsi)

• 2 beef ribeye steak ((each ½ inch, 1.25 cm thick; I used Snake River Farms American Kobe beef))
• 1 Tbsp neutral oil
• ¼ cup soy sauce ((4 Tbsp))
• ¼ cup sake ((4 Tbsp))
• ¼ cup mirin ((4 Tbsp))
• 1½ tsp ginger juice
• 2 tsp sugar
• ½ tsp potato starch or cornstarch
• 1 tsp water
• 1 g reen onion/scallion
• 1 tsp toasted white sesame seeds