Add the onion, garlic, ginger, ½ of green chilli, basil, tarragon and coriander and lime zest to small blender jug and blitz until it forms a smooth paste. Alternatively, you can pound this into a pesto-like consistency using a pestle and mortar.
Heat the olive oil in a saucepan and add the paste and cook, stirring occasionally, until fragrant, this should take about 5 minutes.
Next add the stock and the peas and simmer for 2-3 minutes before adding the lettuce. Allow this to cook for another 2-3 minutes before blending until smooth.
Add 120 ml of the coconut cream and a squeeze of lime juice, salt & pepper to taste.
Either transfer the soup back to the pan to keep warm or let it cool, pop it in the fridge and chill until ready to serve. If serving chilled check the seasoning before serving.
Garnish with the remaining chilli, finely diced,toasted peanuts and a drizzle of oil. A large lime wedge with lime squeezed to serve lifted it nicely.