Melt the butter in a saucepan and sweat the onion, garlic and carrots, with a pinch of salt ... Remove the bouquet garni, then blend the soup in a blender until smooth. Pass through a sieve ...
Add the onion and salt and cook until the onions are soft. The add the garlic. Add the carrot and potato, mix to combine everything and cook over a high heat. Add the orange zest and juice.
Add the green chillies, lemongrass and lime leaves. Mix well. Let the soup simmer for about 10 minutes. 7. Put it in a blender and blend. Add some cream and fresh herbs to garnish. You can buy stock ...