In a large saucepan over medium heat, cook the curry paste for about one minute or until paste becomes fragrant. Add the broth and the pumpkin and stir.
Cook for about 3 minutes or until soup starts to bubble. Add the coconut milk and cook until hot, about 3 minutes.
Ladle into bowls and garnish with a drizzle of the reserved coconut milk and sliced red chilis. Garnish with cilantro leaves if desired.
