Bok choy panggang

Bahan-bahan (3 porsi)

• 1 lb (500g) bok choy
• 1 tablespoon olive oil
• 3 dashes ground black pepper
• 2 tablespoons soy sauce
• 3/4 tablespoon sugar
• 1/2 tablespoon apple cider vinegar
• 1/2 teaspoon sesame oil
• 1/4 teaspoon white sesame seeds