Pesto pasta, allrecipes.com version

In a running food processor blitz a clove of garlic until minced; add pine nuts and parmesan and blitz to a rough paste.

Add a bunch of basil and stream in olive oil with the processor running until smooth; pour into a bowl, salt and taste.

Boil the pasta until done and drain.

Heat olive oil in a pan over medium-low; add chopped onion, the pesto, and salt and pepper, and cook about 5 minutes until the onions are soft.

Add the pesto to the pasta and stir in grated cheese if wanted.