Please Do Not Try to Sharpen Your Blender Blades With Eggshells

I don’t use my standard blender all that much, unless I need to puree a soup. I use my immersion blender on a weekly basis, mostly to make dressings, sauces, mayo, and other emulsions; occasionally I’ll also use it to make a smoothie or a quick milkshake. It has never occurred to me to sharpen the blades of either…

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