Sourdough Discard Crackers

kitty | June 6, 2026   SKIP TO RECIPE  

Thin and crunchy sourdough discard crackers in a bowl, showing their golden color and flaky texture.

Zero waste baking just got way more delicious. If you’re like me and always have a jar of bubbly sourdough discard in the fridge, these Sourdough Discard Crackers are about to become your new favorite habit. Thin, crispy, ridiculously snackable, and packed with that signature tangy sourdough flavor. They’re basically gourmet crackers you can make with stuff you were probably going to throw away.

I started making these during one of my starter-strengthening phases, as in feeding the starter every day to make it stronger, rather than just before baking bread, like I normally would. With each day’s feeding, I discarded a good bit. It was accumulating fast, and I refused to waste perfectly good discard, so I had to come up with a quick, easy way to use it up with regularity. These crackers are so easy to make, addictive and an excellently efficient use for copious amounts of discard. They’re endlessly customizable (try: cheddar cheese, everything bagel seasoning, Parmesan and garlic), and they disappear stupidly fast. Way better than anything from a box, and with only a few simple, clean ingredients.

I’ve gotten into a nice rhythm of making these on bread-making days after feeding my starter and waiting for it to peak. I set aside a portion of discard, mix up a batch, bake and store them. They usually finish by the end of that same day. Safe to say, we’re hooked. These crackers hit that perfect spot between sturdy enough for dipping and delicate enough to shatter in the best way. Plus, they’re a fantastic way to use up discard without baking another loaf of bread or dumping the good stuff in the bin. Win-win

INGREDIENTS

  • 400 grams sourdough starter discard, unfed
  • 2 tablespoons unsalted butter, melted
  • 1 tablespoon olive oil
  • 1 cup shredded cheddar cheese, or cheese of choice
  • Sea salt for sprinkling

INSTRUCTIONS

  1. Preheat the oven to 325°F. Line two baking sheets with parchment paper and set aside.
  2. In a large bowl, measure out the unfed sourdough discard. Add in the melted butter, olive oil, and shredded cheese.
  3. Mix well with a rubber spatula or wooden spoon, until the butter and oil are well incorporated. It will be thick and glossy.
  4. Dump out half of the mixture onto each of the prepared baking sheets and using the rubber spatula, wooden spoon, or offset cake spatula, spread the mixture out evenly as thin as possible without any holes. Sprinkle the top with sea salt.
  5. Bake for 8-10 minutes, remove the baking sheets from the oven and score grid lines into the “dough,” making the crackers the desired size. Return the sheets to the oven and bake for another 15-25 minutes, until the crackers are golden brown. Rotate the sheets as needed for even browning and watch carefully to prevent burning.
  6. Remove from the oven and allow to cool on the baking sheets a few minutes before breaking apart the crackers along the gridlines. 
  7. Continue cooling and begin snacking!
  8. Store in an airtight container at room temperature.

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