Not sure about websites, but I’ve heard great things about this cookbook (about of a third of which are dessert recipes).
My Big Fat Greek Cookbook: Classic Mediterranean Soul Food Recipes https://smile.amazon.com/dp/1510749845/ref=cm_sw_r_cp_api_glt_fabc_YAKHQHWJ072TA74VRARW?_encoding=UTF8&psc=1