Crush the base of the lemongrass with a mortar or use a hammer. Then chop the lemongrass.
Peel and grate the ginger.
In a medium pot add some olive oil and sauté the onion until it is translucent. Add a pressed garlic clove and continue to sauté. We want it to be transparent and not burn.
Add green curry paste ginger (1 tablespoon is enough, but if you want it really spicy add a little more) and lemongrass.
Next add hot water, chicken stock cube, fish sauce and a bay leaf and let it simmer to bring out the flavours.
Then slice the raw chicken fillet into “bite-size”.
Add 2 cans of coconut milk, the raw chicken fillet and the mushrooms to the soup.
Let it simmer for 15 minutes.
Finally remove the pot from the heat and add the lime juice.
Boil the noodles according to the instructions on the package.
Put some noodles in a soup bowl and pour some soup over. Top with freshly chopped cilantro and serve.
Notes
You can heat the soup again but keep the noodles separately.