01 - Cook the rice noodles according to package instructions, then drain and rinse with cold water. Set aside.
02 - Heat vegetable oil in a large pot over medium heat. Add minced garlic and grated ginger; sauté for 1 minute until fragrant.
03 - Stir in Thai red curry paste and cook for 2 minutes, allowing the aromas to develop.
04 - Add sliced chicken to the pot and sauté for 2 to 3 minutes until lightly browned but not fully cooked.
05 - Pour in coconut milk and chicken stock. Stir thoroughly, scraping any browned bits from the bottom.
06 - Add fish sauce and brown sugar, then bring the mixture to a gentle simmer.
07 - Incorporate bell pepper, snow peas, shiitake mushrooms, and spring onions. Simmer for 5 to 7 minutes until chicken is cooked through and vegetables are tender-crisp.
08 - Add the cooked noodles and lime juice to the pot. Stir gently to combine and heat through.
09 - Taste the soup and adjust seasoning with additional fish sauce or lime juice as preferred.
10 - Ladle soup into bowls and garnish with fresh cilantro, extra spring onions, lime wedges, and optional red chili slices.