Vietnamese Pork Banh Mi Burger

Name: Vietnamese Pork Banh Mi Burger
Ingredients: 1 1/3 Cup Kewpie mayonnaise; 4 scallions, minced; 2 Tablespoons sriracha; 1/3 Cup rice vinegar; 1/3 Cup sugar; 1 1/2 Teaspoon kosher salt; 2 Cups daikon, julienned; 2 Cups carrots, julienned; 1 Pound ground pork; 1/4 Cup fresh basil, finely chopped; 4 garlic cloves, minced; 3 scallions, minced; 1 Tablespoon fish sauce; 1 Tablespoon sriracha; 1 Tablespoon sugar; 2 Teaspoons cornstarch; 1 Teaspoon freshly ground black pepper; 1 Teaspoon kosher salt; Sesame oil; 1 baguette; Cilantro leaves; 1 jalapeño, sliced (optional)