Foryoueats: Beef Teriyaki

Ingredients

• 2 beef ribeye steak (each ½ inch, 1.25 cm thick; I used Snake River Farms American Kobe beef)
• 1 Tbsp neutral oil
• For the Teriyaki Sauce and Marinade:
• ¼ cup soy sauce (4 Tbsp)
• ¼ cup sake (4 Tbsp)
• ¼ cup mirin (4 Tbsp)
• 1½ tsp ginger juice (grate a 1-inch, 2.5-cm knob of ginger and squeeze to collect the juice)
• 2 tsp sugar
• For the Slurry (optional, to thicken the sauce):
• ½ tsp potato starch or cornstarch
• 1 tsp water
• For Garnish:
• 1 green onion/scallion
• 1 tsp toasted white sesame seeds