Present Chef Butcher with the fruit from a Lime Tree and be rewarded with a knife. You can obtain the seeds to grow a Lime Tree from Ms. Weeder by trading her one Pink Murex. Lime Trees take about five days to reach a fruit bearing age.
On Sims Castaway for the Nintendo DS, you will need to deliver the sardines with lime dish to the chef to get the knife. You can grow limes by doing all of Ms Weeders' missions.
You need to complete favors for Chef Butcher. After completing these favors he will give you a knife and a chisel. The chef will ask for a lime and sardine and after you give him these he will give you the knife and chisel.
