Miso Caramelised Onion Ramen

1: Melt butter in a pan, add olive oil, the sliced onions and a pinch of salt.

2: Cook the onions until they caramelise.

3: Add the caramelised onions to a blender with the miso paste, chicken stock, and lemon juice. Blitz until smooth.

4: Return the smooth mixture to the pan.

5: Boil the ramen noodles according to package instructions, then drain them.

6: Add the noodles to the oniony sauce and mix well.

7: Serve on a plate topped with the egg yolk, sesame seeds, and spring onion.