What is this "discarded starter" that you speak of? :-) I store a teaspoon of starter in the refrigerator, and start doubling it a day and a half before I plan to make bread. With a feeding every 12 hours, the starter is super active about 4 hours after the 3rd feeding, and ready to use. Save a teaspoon in a small jar, and it is ready to go for the next time, with no waste.

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