Pasta with Asparagus, Broccoli and Salmon Butter

• 14 oz / 395 g packet dried spaghetti
• 3 oz / 85

First make the salmon butter. Put all the ingredients in a food processor and blend until smooth. Pack into a bowl, cover and refrigerate.

Bring a large saucepan of lightly salted water to the boil, and put in all the spaghetti. Bring back to the boil and boil for 2 minutes. Drop in the vegetables, boil for 30 seconds more, then remove from the heat, cover the pan with a tightly fitting