Step 1: heat butter and oil in a large pan, add onion and garlic and simmer for 2 mins.
Step 2: add carrots and simmer for 2 mins.
Step 3: add ground corriander, season well and simmer for a further 3 mins.
Step 4: add vegetable stock and simmer for 10-15 mins or until carrots and onions have softened.
Step 5: once softened take off the heat and using a hand blender or transfering into a blender blitz it all until a thick creamy texture ensuring all the carrots are blended.
Step 6: transfer the soup into a clean pan.
Step 7: (add the fresh coriander or more ground if desired)
Step 8: place back onto the hob until heated through.
Step 10: should serve about 4 but can be kept for 2 days fresh and can also be frozen.
Step 11: serve with crusty bread or cheese sandwiches!