The art of making and using pesto Chances are ... and Parmesan cheese, made using a mortar and pestle. The bright green sauce originated in Genoa, Italy, but today is used in countless ways ...

Mix warm water and dish soap to create a gentle cleaning solution. Use it to scrub your mortar and pestle, then let it air dry. For tougher stains, mix baking soda with water to form a paste. Apply ...