I use butter and eggs right out of the refrigerator so the dough stays cool and the cookies maintain their thickness during baking; I also use ungreased cookie sheets. To keep the cookies soft and chewy, store them in an airtight container along with a slice of bread.
I was served this cookie at a restaurant in Springfield, MO during a business conference. Went home and made up this recipe which has been a hit at any church gathering when I take them...better than the one I had at the conference.