They have both powdered sugar and granulated sugar in them.
This intrigued me so I found, among many others, this recipe from Amanda Rettke.. I have used her recipes before with good results.. I, generally convert them to small batch.. I will be trying these soon..
https://iambaker.net/amish-sugar-cookies/
Ross
Ross, from sister: This is it!! Thank you thank you now I have to go to the store!!