Prep all ingredients per the instructions above.
Prepare the cucumber salad: In a bowl, whisk together rice wine vinegar, lime juice, fish sauce, honey, and a pinch of salt. Add the cucumber, red onion, sliced chili pepper if using. Toss gently to coat. Top with chopped cilantro and crushed peanuts. Let the salad marinate at room temperature for 10–15 minutes.
Make the Pad Thai Sauce: In a bowl, whisk together brown sugar, reduced-sodium soy sauce, rice wine vinegar, lime juice, and fish sauce. Set aside.
Cook the Noodles: Prepare the rice noodles according to package instructions. Drain and set aside.
Cook the Chicken: In a wok or sauté pan, heat olive oil over medium-high heat. Saute the red bell pepper and carrots. Sauté for 1–2 minutes. Add garlic and scallions, and sauté for another minute. Add chicken and sauté to an internal temperature of 165°F or 74°C.
Add the noodles and sauce. Toss everything together and cook for 1–2 more minutes.
Serve the Pad Thai garnished with fresh cilantro, chopped peanuts, and lime wedges with cucumber salad and kombucha.