Shop > Platinum Instant Sourdough Find A Store $4.50 – $12.50 Platinum Instant Sourdough Quantity Choose an optionSingle packetBundle of 3Bundle of 5Bundle of 10Clear Platinum Instant Sourdough quantity Add to cart SKU: 00331 Category: Yeast Description Additional information Description Platinum Instant Sourdough: Yeast + Sourdough Culture — is a unique, convenient all-in-one-packet solution combining our Platinum yeast with a real, dried sourdough starter. For more information about product usage, storage and ingredients view the product page. Additional information Quantity Single packet, Bundle of 3, Bundle of 5, Bundle of 10 Other Yeast Products Red Star Quick-Rise Instant Yeast $9.00 – $25.00 Select options Red Star Organic Instant Yeast $4.50 – $12.50 Select options Red Star All-Natural Active Dry Yeast $9.00 – $25.00 Select options Platinum Yeast $9.90 – $27.50 Select options