This delicious dish is called tamal de olla.  This unique casserole can be savored at El Trapiche restaurant on Via Argentina in the El Cangrejo neighborhood.  It is served up with a helping of white rice.  Incredible flavor!

http://www.thelatinkitchen.com/recipe/panamanian-style-tamale-casserole-tamal-de-olla-estilo-panameno

http://www.tripadvisor.com/Restaurant_Review-g294480-d1212946-Reviews-El_Trapiche-Panama_City_Panama_Province.html