Stir in the parsley then, using a stick blender, blend the soup until smooth.

Blend with a stick blender, then pass through a fine sieve and transfer to a squeeze bottle.

Add the xanthum gum and blend using a stick blender until smooth.

Alternatively, use a stick blender to blend the soup.

Using a stick blender, blend the soup until smooth.

In a medium bowl, using a stick blender or whisk, beat the eggs until completely combined.

Bamix's current products include a number of different models of their popular stick blender.

Remove the cinnamon stick then, using a stick blender, blend the mixture until smooth.

Place a stick blender into the mint-infused custard and blend to combine.

(Modern-day amateur soapmakers often use a stick blender to speed this process).