Sweetcorn, and patience
we used to use baits you cant get here easily too.
https://en.wikipedia.org/wiki/Boilie
which is fished like this
https://en.wikipedia.org/wiki/Boilie
which would be used with this , the mixed bait on the plastic frame acts as your casting weight, and when in the water acts as an attractant for any fish nearby. The trick was to have a different bait on your hook
https://www.youtube.com/watch?v=gMlF9NCCbZg
video of what we used to let us know if we had a fish on the hook
https://www.youtube.com/watch?v=lfzWCUjz4CQ
video of some nice size carp