Sesame Stir-Fried Pork with Shiitakes | Untried | Umami

Ingredients

• 1-pound pork tenderloin, trimmed of silver skin
• 2½ cups well-drained napa cabbage kimchi, roughly chopped, plus 2 tablespoons kimchi juice, divided
• 2½ tablespoons soy sauce, divided
• Kosher salt and ground black pepper
• 3 tablespoons grapeseed or other neutral oil, divided
• 8 ounces fresh shiitake mushrooms, stems discarded, caps sliced ¼ inch thick
• 3 medium large garlic cloves, thinly sliced
• 3 tablespoons mirin
• 1 tablespoon toasted sesame oil
• 2 tablespoons sesame seeds, toasted
• 1 bunch scallions, thinly sliced