Sauté the onion in a pan with some oil over a medium heat. When it starts to get golden add the peas and half of the stock. Cover and let it rest over a medium heat until the peas are cooked.
Step 2
Place everything in a food processor and blend until you get a smooth cream. Season to taste.
Step 3
Add the remainder of the stock and bring to the boil. Add the pasta and cook everything together for 3 minutes.