Sayuran Panggang ala Yakitori (Saus Yakitori Buatan Sendiri)

Bahan-bahan (4 porsi)

• ½ cup soy sauce
• ½ cup mirin
• ¼ cup sake
• 2 tsp brown sugar ((packed and leveled off))
• ¼ cup water
• 2 Japanese eggplants
• 4 king oyster mushrooms (eringi)
• 2 Tokyo negi (long green onion)
• 8 shiitake mushrooms
• 1 package maitake mushrooms ((3.5 oz, 100 g))
• 12 shishito peppers
• 12 cherry tomatoes
• 2 zucchini
• shichimi togarashi (Japanese seven spice) ((optional))