Image 1 of 1 Rye Sourdough from $8.00 Sourdough made with 75% Organic Dark Rye flour and 25% Organic white flour. May require 2-3 days to fill order. Size: Mini Full Quantity: Add To Cart Added! Sourdough made with 75% Organic Dark Rye flour and 25% Organic white flour. May require 2-3 days to fill order.