Puree using an immersion or standing blender until very smooth, adding more liquid as necessary to create the consistency you want. (feedmephoebe.com)
(E.g. weirdly, using my immersion blender to mash potatoes leaves them with an almost elastic texture, and it won't whip egg - whites into «frothy peaks» like a regular hand or stand blender does). (livingthenourishedlife.com)
Puree until very smooth with an immersion blender or in a high - powered stand blender. (feedmephoebe.com)