Potsticker Soup

Bahan-bahan (4 porsi)

• 2 tablespoons olive oil, divided
• 8 ounces shiitake mushrooms, thinly sliced
• 2 tablespoons grated or minced fresh ginger
• 4 cloves garlic, pressed or minced
• 6 cups vegetable broth
• 2 tablespoons soy sauce
• 16 to 20 ounces frozen potstickers
• 5 scallions, thinly sliced and divided
• 3 baby bok choy, ends trimmed off and leaves separated
• 2 teaspoons toasted sesame oil
• freshly-ground black pepper
• optional toppings: chili crisp, toasted sesame seeds, furikake seasoning, fried garlic