Finish the following sentence with the best choice: how to flash pasteurize eggs

Choices:
- cook on high temperature for a couple of minutes. The egg shells needs to reach a temperature of 138 degrees Fahrenheit.
- cook on high temperature for a couple of minutes. The yolk needs to reach a temperature of 138 degrees Fahrenheit.

Answer:
cook on high temperature for a couple of minutes. The yolk needs to reach a temperature of 138 degrees Fahrenheit.