Tonight's Dinner - Thai Steak Salad

• 1 (1 1/2-pound) flank steak, trimmed
• 1 head of red leaf lettuce
• 1/2 teaspoon freshly ground black pepper
• 1/4 teaspoon kosher salt
• 1/4 cup fresh lime juice
• 1 tablespoon brown sugar (I used honey)
• 2 tablespoons lower-sodium soy sauce
• 1 tablespoon fish sauce
• 2 teaspoons minced fresh garlic
• 1 teaspoon Sriracha
• 1 1/2 cups thinly sliced red cabbage
• 1 1/4 cups fresh bean sprouts - substituted with red pepper
• 3/4 cup julienne-cut carrots
• 1/3 cup fresh mint leaves
• 1/3 cup fresh cilantro leaves (I left this out)
• 1/3 cup fresh basil leaves