"Ova Sfongia Ex Lacte" seems like a typo of a recipe that originated here (https://historicalitaliancooking.home.blog/english/recipes/ancient-roman-dessert-ova-

"Ova Sfongia Ex Lacte" seems like a typo of a recipe that originated here (https://historicalitaliancooking.home.blog/english/recipes/ancient-roman-dessert-ova-spongia-ex-lacte-sweet-omelette/ https://historicalitaliancooking.home.blog/english/recipes/a...) and spread around the Internet.