Pork Meatball Banh Mi

INGREDIENTS

• 2/3 cup mayonnaise
• 2 green onions, finely chopped
• 1 tablespoon hot chili sauce (such as sriracha)*
• 1 pound ground pork
• 1/4 cup finely chopped fresh basil
• 4 garlic cloves, minced
• 3 green onions, finely chopped
• 1 tablespoon fish sauce (such as nam pla or nuoc nam)*
• 1 tablespoon hot chili sauce (such as sriracha)
• 1 tablespoon sugar
• 2 teaspoons cornstarch
• 1 teaspoon freshly ground black pepper
• 1 teaspoon coarse kosher salt
• 2 cups coarsely grated carrots
• 2 cups coarsely grated peeled daikon (Japanese white radish)**
• 1/4 cup unseasoned rice vinegar
• 1/4 cup sugar
• 1 tablespoon Asian sesame oil
• 4 10-inch-long individual baguettes or four 10-inch-long pieces French-bread baguette (cut from 2 baguettes)
• Thinly sliced jalapeño chiles
• 16 large fresh cilantro sprigs