Question: To feed the sourdough starter,
Options:
Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup soap, and stir with a spoon.
Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup flour, and stir with a spoon.
Answer: Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup flour, and stir with a spoon.