I think he meant to say white lightning
. Yes, it's french. As are 90% of the tools and methods we use in the kitchen today.
( Dutch Oven Walleye ) Place a layer of bacon slices in the bottom of a dutch oven. Add a layer of Walleye fillets. Sprinkle black pepper on the fillets.At right angles add another layer of bacon. then another layer of Walleye and pepper. Keep doing this until you run out of Walleye. Cover the dutch oven securely and mound hot coals on the sides and top. Cook for 35 - 40 minutes. you can wrap some spuds in foil and throw them in the coals also.
What about hobo pies. butter, two pieces of bread and fill em' up. Pepperoni, sauce and Mozz. and ya got pizza at the campsite.
This technique is known as en papillote, from the French for "butterfly." my understanding of that term means "in paper"
One of my favorites! We always make a jar of sauce with meat and goodies added, then freeze it before we leave. I have lived on them!