Garlicky Shrimp Stir-fry with Shiitakes and Bok Choy

Bahan-bahan (4 porsi)

• 4 baby bok choy
• 4 cloves garlic
• 1 pound shiitake mushrooms
• 1 - inch knob fresh ginger
• ½ cup chicken or vegetable stock
• 1 teaspoon cornstarch*
• 1 tablespoon mirin*
• 1 teaspoon sesame oil
• 1/4 teaspoon crushed red pepper
• 1½ pounds shrimp (peeled and deveined)
• 1 teaspoon kosher salt and freshly ground black pepper
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