Mandelbrot (), with a number of variant spellings, and called mandel bread or kamish in English-speaking countries and kamishbrot in Ukraine, is a type of cookie found in Ashkenazi Jewish cuisine and popular amongst Eastern European Jews. The Yiddish word mandlbroyt literally means almond bread, a reference to its common ingredient of almonds.
In the context of Ashkenazi Jewish cuisine, Mandelbrot is a traditional cookie that's widely popular among Eastern European Jews, often made with almonds and having various names depending on the region.