Tahu dan Burger Ayam

Bahan-bahan (3 porsi)

• 5 oz medium-firm tofu (momen dofu)
• 3 g reen onions/scallions
• 3 shiitake mushrooms ((stems removed))
• 1 knob ginger ((1 inch, 2.5 cm; peeled))
• ¾ lb ground chicken thigh
• 1 large egg yolk
• 1 Tbsp sake
• 1 Tbsp potato starch or cornstarch
• 1 tsp toasted sesame oil
• ½ tsp soy sauce
• ½ tsp Diamond Crystal kosher salt
• ⅛ tsp freshly ground black pepper
• 3 Tbsp water
• 2 Tbsp sake
• 2 Tbsp soy sauce
• 2 Tbsp mirin
• 1 Tbsp water
• 1 Tbsp potato starch or cornstarch
• 1 Tbsp neutral oil ((for cooking))
• 10 shiso leaves (perilla/ooba) ((julienned; for the garnish))