In the picture, a stern-faced Eamonn could be seen rubbing at a stain on his shirt with the finished bowl of ice cream in front of him.
The mother-of-one also revealed that the family raised a toast to the Irish native following their meal.
Upon getting home, Ruth told how they had bought a doggie bag of red meat back for their family pooch.
Filming a short clip of their dog hoovering up chunks of steak, Ruth wrote: “And a goodie bag of steak to bring home for Maggie!”