Put the peas in a pan of water. Bring to the boil and cook for 3-5 minutes.
Drain, but keep a small cupful of the cooking water. Rinse the peas under cold water, then put them in a small food processor.
Finely chop the garlic and dill, then add these to the peas.
Add the balsamic vinegar and salt & pepper to your liking. Add some pine nuts, if liked - about a small handful.
Whiz until you get a smooth paste. If it’s too thick, add some of the cooking water you put aside.
Taste, and season to your liking.
Cool until serving.