Complex sentence: Fish and some meats can be preserved for use in certain dishes, and blocks of salt can be slowly heated to a temperature of around 200 ° C (400 ° F) and used as a cooking surface thereafter.
Split into simpler sentences: Fish and some meats can be preserved for use in certain dishes. Blocks of salt can be slowly heated to a temperature of around 200 ° C (400 ° F) and used as a cooking surface thereafter.