Services › Dried Sourdough Starter Image 1 of 2 Image 2 of 2 Dried Sourdough Starter $10.00 4 oz jar of dried sourdough starterComes with directions on how to get your starter back to its active bubbly self. Purchase Added! 4 oz jar of dried sourdough starterComes with directions on how to get your starter back to its active bubbly self.