Jam Filled Hungarian Shortbread

Shortbread is a richly decadent yet very simple style of cookie.  One of the most well known styles of shortbread, Scotch shortbread, consists of just 3 ingredients: butter, flour, and sugar.  This economy of ingredients is a hallmark of all shortbread.  Some might have nuts or spices in them (such as Mexican  wedding cookies, almond …