The beef - believe soy sauce, Worchester, or Heinz Steak sauce was added when forming the shape. These were made more than once
Betty Crocker has some tasty foil packets found on her web site
https://www.bettycrocker.com/recipes/preparation/grill-recipes/foil-packs
The Dijon Chicken and rice sounds tempting.
https://www.bettycrocker.com/recipes/dijon-chicken-rice-and-garden-vegetable-foil-packs/7578e8e9-44de-45fc-9c3f-eec857f5fea0
Green Chili and Cheddar Burger (love cheddar cheese!)
https://www.bettycrocker.com/recipes/green-chile-cheddar-burger-foil-packs/6d3f0544-8702-42b6-8424-ddcef8f23745
Honey Dijon Chicken and sweet potatoes.
https://www.bettycrocker.com/recipes/oven-foil-pack-honey-dijon-chicken-and-sweet-potatoes/01d73e4d-263c-4f3f-894c-f7585499072c
She’s many different ideas shown Just like owning your own TV dinner mfg. company :-)
These caught my eye and taste buds.
I husband liked to do those grilled foil packets on the barbecue. We haven’t done them in years though! Thanks for the reminder. They were good, easy, and cleanup was a breeze.