Hi! What is the longest you can keep the starter … Comments are Disabled This post may include affiliate links. Read full Privacy Policy. All recipes are GF, vegan & free of top allergens. Comment on Gluten-Free Sourdough Starter by mary. Hi! What is the longest you can keep the starter in the fridge? Twitter Facebook Pinterest Print Easy Irish Soda Bread Machine Recipe (GF Vegan) Comments are closed.