For Dutch oven cobbler I do the following

1 can of rootbeer
1 box vanilla cake mix

Dump mix into foil lined Dutch oven
Poor rootbeer over
Do not mix
Cook

1 box vanilla cake mix
12oz orange juice
1 drained can of those little oranges
Dump mix into foil lined DO
Mix oranges in
Pour orange juice over
Do not mix.
Cook

I also do cherry pie filling. Orange filling. Apple pie filling. Etc