Mix mayonaise, 1 Tbs. Sriracha and 2 Tbs. finely minced cilantro in a small bowl and set aside.
In another bowl, mix rice vinegar, sugar, salt, white pepper, fish sauce, 1 Tbs. Sriracha, and soy sauce. Add the julenned radish, sweet onion, julienned carrot and jalepeno and marinate while preparing the chicken patties.
In a saute pan, heat oil over medium-high heat. In a bowl, mix together ground chicken, Chinese 5-spice powder, 1 egg, panko, 2 Tbs. chopped cilantro and garlic. Form into 1/4 cup patties and saute 3 to 4 minutes per side, until lightly browned and cooked through. Drain on paper towels when cooked.
Heat oven to 375 degrees. Split baguettes and lay cut side up on a baking sheet. Spread baguettes with mayonnaise mixture and heat in oven for 5 minutes. Remove from oven and place a layer of mesclan on bottom of baguette. Top each with 2 chicken patties and slaw mixture. Top with whole cilantro and the top baguette. Enjoy!