Step 1

Pour the beef broth into a small pan and bring it to a simmer. (see note 2)

Step 2

Peel and finely chop the onion.

Step 3

In a large pan, melt the butter and olive oil together over low heat.

Step 4

Add the onion to the butter and cook, for about 5 minutes until the onion is soft.

Step 5

Add the pasta and stir it well so it is coated in the onion butter.

Step 6

Pour in about 1/2 cup of the beef broth and constantly stir until it has fully absorbed.

Step 7

Continue stirring and adding the beef broth, 1/2 cup at a time until the pasta is al dente.

Step 8

If you run out of broth then continue with boiling water.

Step 9

Remove from heat and season generously with black pepper (you shouldn't need salt)

Step 10

Serve garnished with parsley and plenty of grated parmesan.