Heat the olive oil in large pot or Dutch oven, add the onions, bell pepper and chili. Cook until the vegetables have started to soften, about 5 minutes. Stir in the beer.
Add the coconut milk, broth, chicken, fish sauce, salt, garlic powder and curry paste.
Simmer until chicken has cooked through, about 6 minutes.
Stir in the basil and rice noodles, simmer until noodles are cooked, about 5 minutes.
Adjust seasonings to taste (the amount of salt you need is directly dependent on the broth you use).
Ladle into bowls, garnish with cilantro.