Beef and Gobo Stir Fry

Bahan-bahan (2 porsi)

• 9 oz thinly sliced beef (such as ribeye)
• 5 oz gobo (burdock root)
• 1 Tbsp toasted sesame oil ((for stir-frying gobo))
• 2 tsp neutral oil ((for stir-frying beef, as needed))
• 1 tsp toasted white sesame seeds ((for garnish))
• 2 Tbsp sake
• 2 Tbsp mirin
• ½ Tbsp sugar
• 2 Tbsp soy sauce