Soy-Ginger Flank Steak

Ingredients

• 1/4 cup soy sauce
• 12-inch piece of ginger, peeled and grated
• 3cloves garlic, chopped
• 1 teaspoon sesame oil
• 1/2 teaspoon crushed red pepper
• 1/2 teaspoon black pepper, plus more for seasoning
• 1 poundflank steak
• Salt