Question: To fix curdled custard.

  Options: 
 A. Before you make custard prepare a sink of ice cold water. Try to keep your custard cooking at a low temperature and stir constantly until it thickens, but in the event it starts to curdle plunge the bottom of the saucepan into the cold water and whisk vigorously to cool it down.
 B. Before you make custard prepare a sink of hot water. Try to keep your custard cooking at a low temperature and stir constantly until it thickens, but in the event it starts to curdle plunge the bottom of the saucepan into the hot water and whisk vigorously to cool it down.
Answer: A