Seashells
The common name "Triton's trumpet" is derived from the Greek god Triton, who was the son of Poseidon, god of the sea. The god Triton is often portrayed blowing a large seashell horn
similar to this species...How to cook them ?
Boil in water and salt, sea water preferably, for 45 to 60 minutes.
Once cooked remove them to a plater, let them cool and cut them into pieces.
From then on....your imagination !