Finish the following sentence with the best choice: how to temper batter

Choices:
- slowly add 1/3 cup of the hot liquid to the batter, and stir. pour back into the rest of the hot liquid.
- pour all of the hot liquid into the batter, and then place in a blender.

Answer:
slowly add 1/3 cup of the hot liquid to the batter, and stir. pour back into the rest of the hot liquid.