This is a mortar and pestle. Most people, when they come to my house and see it sitting on my counter, have no idea what it is. I don’t have many kitchen tools I repeatedly use: cast iron pans, a couple Le Creusets, a spatula or two. I have others I seldom use: a sausage grinder, a tagine, a mixer. I use my mortar and pestle for each meal I make. During a recent visit, my sister asked for some crushed black pepper. When I showed her the mortar and…