Nut balls (or Nutballs) are known by many other names besides Mexican Wedding Cookies. These melt-in-your-mouth cookies came into vogue in the 1950s and are also called Russian Teacakes, Mexican Teacakes, Russian Wedding Cookies, Snowballs or Butterballs. The texture and "snow" coating of powdered sugar make them popular for the holidays, but tasty enough to make all year long! Add some toffee to shake things up! When made in crescent shapes instead of balls, they're also known as pecan crescents!