miso shrimp and bean soup

2 litres chicken / vegetable stock
1 lemongrass stick, crushed
2 cloves of garlic, minced
thumb-size ginger, minced
handful of fresh basil, chopped
a pinch of chili flakes
150g rice noodlesblack pepper
1 tbsp sesame oil
1 tbsp sriracha
1 tbsp fish sauce
2 tbsp miso paste
250g shrimp
250g green beans
chives / green onions, chopped
juice of 1 lime

Bring the stock to boil. Add lemongrass, garlic, ginger, basil and chili flakes. Simmer for 20 mins.
Meanwhile, cook the noodles according to pack instructions. Drain, set aside.
Add the shrimp, beans and spices to the soup (pepper, sesame oil, sriracha, fish sauce, miso). Cook for another 5-8 mins, until the shrimp is cooked through.
Pull off the soup from the heat, add the rice noodles, chives and juice of lime.

Ideas from here and here.