Place broad beans in a heatproof bowl and cover with boiling water. Stand for 2 minutes. Drain. peel and discard the skin
Using a food processor, blitz the broad beans, peas, avocado, garlic, oil, juice, anchovies and tarragon until smooth. Season. Transfer to a bowl. Chill until ready to serve.
Serve with flatbread, tomatoes and raw baby carrots.