Pork Shoulder Lettuce Wraps with Kimchi

INGREDIENTS

• One 12-ounce can cola, such as Coke
• 1 head napa cabbage, halved and shredded thinly
• 1/2 teaspoon coarsely ground black pepper
• 1 teaspoon sesame oil
• 1 tablespoon rice vinegar
• 4 green onions, sliced
• Quick Kimchi, recipe follows
• 8 cloves garlic, chopped
• 3 cloves garlic, knife pureed
• 1/2 cup chopped fresh cilantro
• 1 tablespoon soy sauce
• Gojuchang Sauce, recipe follows
• 2 tablespoons fish sauce
• 2 tablespoons gochujang sauce
• 2 tablespoons rice vinegar
• 1 tablespoon honey
• 2 serrano chiles, seeded and chopped
• 1/4 cup soy sauce
• 1 teaspoon grated ginger
• 1 tablespoon gochujang sauce
• 1/4 cup fresh cilantro, coarsely chopped
• Boston lettuce leaves, for serving
• 2 cloves garlic, finely chopped
• 1/3 cup rice vinegar
• 2 teaspoons honey
• 2 tablespoons sesame oil
• 2 green onions, halved lengthwise and thin sliced crosswise
• 2 teaspoons toasted sesame seeds
• 1 1/2 pounds pork shoulder steak, no more than 3/4-inch thick, not trimmed