Steak and Soba Stir-Fry

INGREDIENTS

• Freshly ground black pepper
• 2 heads baby bok choy, quartered
• 1 teaspoon plus 3 tablespoons vegetable oil
• 3 tablespoons oyster sauce
• 2 scallions, whites and greens separated, chopped
• 1 tablespoon toasted sesame oil
• 2 tablespoons sliced almonds
• 1 tablespoon grated peeled ginger
• 8 ounces soba (Japanese-style noodles) or spaghettini
• 3 tablespoons unseasoned rice vinegar
• 4 medium garlic cloves, chopped
• 3 tablespoons reduced-sodium soy sauce
• 12 ounces skirt or flank steak
• Kosher salt
• 1 medium carrot, peeled, thinly sliced on a diagonal