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Sourdough Discard Cheese Crackers (No Added Flour!)

Updated: Jul 29, 2026 · Published: Apr 18, 2025 by Asmae @ Your Kitchen Lab · This post may contain affiliate links ·

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These sourdough cheese crackers are the kind of snack you make once and then can’t stop making. Just a handful of ingredients, one short mixing step, and a double bake gets you crunchy, garlicky, cheesy crackers that beat anything from a box. No added flour, no fuss and a genuinely good way to use up sourdough discard.

Close up of a sourdough cheese cracker showing its crisp, golden texture.

Whether you’re trying to keep your discard jar from overflowing or you just want an easy sourdough discard crackers recipe, this one is worth bookmarking. It works with active starter too, so you don’t need to wait until you have discard sitting around.

Jump to:
  • Why You’ll Love These Sourdough Cheese Crackers
  • Ingredients for Sourdough Cheese Crackers
  • Sourdough Cheddar Crackers and Other Variations
  • How To Make Sourdough Cheese Crackers
  • Expert Tips for Crispy Sourdough Crackers
  • How to Store Sourdough Discard Cheese Crackers
  • Related Recipes
  • FAQ
  • Did you make this recipe?
  • Other Discard Recipes

Why You’ll Love These Sourdough Cheese Crackers

  • No added flour: just starter, butter, cheese and seasoning, so the flavor stays clean and cheesy instead of doughy.
  • Ready in about 40 minutes: mix, spread, bake twice, done.
  • Works with discard or active starter: use whichever you have on hand.
  • Easy to customize: swap the cheese or herbs to match what’s already in your fridge.
  • A little addictive: crisp, salty, garlicky and genuinely hard to stop eating.

Ingredients for Sourdough Cheese Crackers

Sourdough starter, butter, cheese, and seasonings in a bowl before mixing.
  • Sourdough starter: active or discard both work here, so this is a good use for whatever you’ve got sitting in the jar.
  • Butter: melted, for richness and that classic cracker crunch.
  • Cheese: parmesan or cheddar, finely grated, for flavor.
  • Garlic powder: for savory depth.
  • Dried oregano: or another dried herb of choice.
  • Salt: to balance the cheese.

See the recipe card below for exact quantities.

Sourdough Cheddar Crackers and Other Variations

  • Cheese swap: use a sharp cheddar for classic sourdough cheddar crackers, or parmesan for something saltier and sharper.
  • Herb swap: try rosemary, thyme, or Italian seasoning instead of oregano.
  • Add heat: a pinch of chili flakes or smoked paprika works well if you want some spice.
  • Everything bagel version: skip the herbs and use everything bagel seasoning instead.

This recipe has not been tested with all substitutions.

How To Make Sourdough Cheese Crackers

Sourdough cheese cracker batter mixed together in a bowl.
  1. Step 1: Combine the sourdough starter, melted butter, salt, garlic powder, oregano, and cheese in a bowl until you have a smooth, thick batter.
Sourdough cracker batter spread thin on a parchment lined baking sheet.
  1. Step 2: Pour the batter onto the parchment and use a spatula to spread it out as thin as you possibly can. The thinner it is, the crispier the crackers will be. Bake for 10 minutes.
Sourdough cheese cracker dough scored into small squares.
  1. Step 3: Remove from the oven and use a pizza cutter or knife to score the dough into small squares.
Golden baked sourdough cheese crackers fresh out of the oven.
  1. Step 4: Return to the oven for about 18 to 22 minutes, checking every few minutes toward the end. Pull off any crackers that are golden and crisp, and let the rest keep baking. Let the crackers cool fully on the pan. They’ll crisp up even more as they cool.

Expert Tips for Crispy Sourdough Crackers

  1. Spread thin: this is the single biggest factor in how crispy your crackers turn out.
  2. Watch the second bake closely: ovens vary, and the edges will crisp before the center, so pull pieces as they finish instead of waiting for the whole sheet to be done.
  3. Use freshly grated cheese: it melts more evenly than pre-shredded cheese, which is coated to keep it from clumping.
  4. Let them cool all the way: crackers that seem slightly soft right out of the oven usually firm up perfectly once they’ve cooled.
  5. Re-crisp if needed: if they lose some crunch after a day or two, pop them back in the oven for a few minutes. Keep an eye on them so they don’t burn.

How to Store Sourdough Discard Cheese Crackers

  • Room temperature: store in an airtight container for up to 1 week. If they lose their crispness, a few minutes back in the oven brings it right back.

Related Recipes

Sourdough Discard Brownies

Sourdough Puff Pastry

FAQ

Can I use active sourdough starter instead of discard?

Yes, either works. This recipe doesn’t rely on fermentation for rise, so active or discard makes very little difference here.

Do I need to add flour?

No, this recipe skips added flour completely. The starter provides all the structure.

How long do sourdough cheese crackers last?

Stored in an airtight container at room temperature, they stay crisp for about a week.

Can I use a different cheese?

Yes, parmesan and cheddar both work well. Other finely grated hard cheeses should work too, though results may vary a little.

Did you make this recipe?

If you make these sourdough cheese crackers, I’d be so happy if you came back to leave a 5 star rating. And if you share it on Instagram, don’t forget to tag me @your_kitchen_lab so I can see your creations.

Other Discard Recipes

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    Sourdough Discard Granola (Brown Butter and Chocolate Chunks)
  • sourdough puff pastry recipe
    Sourdough Puff Pastry
  • sourdough discard pizza dough recipe baked pizza
    Sourdough Discard Pizza Dough Recipe
  • Sliced sourdough lemon loaf with lemon glaze drizzled on top
    Sourdough Lemon Loaf

Close up of a sourdough cheese cracker showing its crisp, golden texture.

Sourdough Cheese Crackers (No Added Flour)

Crispy, cheesy, garlicky crackers made with sourdough starter and no added flour.
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 30 minutes mins
Servings: 4 servings
Course: Snack
Cuisine: American
Calories: 175
Ingredients Equipment Method Notes

Ingredients
  

  • 200 g (about 1 cup) sourdough starter, active or discard
  • 30 g (2 Tbsp) butter, melted
  • ½ teaspoon salt
  • ½ teaspoon garlic powder
  • 1 teaspoon dried oregano or herb of choice
  • 50 g (about ½ cup) cheese, finely grated, parmesan or cheddar

Equipment

  • Baking sheet
  • mixing bowl
  • Offset spatula (or spoon)
  • Pizza cutter or knife

Method
 

  1. Preheat oven to 180°C (350°F) and line a baking sheet with parchment paper.
  2. Combine the sourdough starter, melted butter, salt, garlic powder, oregano, and cheese in a bowl and mix until smooth.
  3. Pour the batter onto the prepared baking sheet and spread into a thin, even layer using a spatula.
  4. Bake for 10 minutes.
  5. Remove from the oven and score into small squares using a pizza cutter or knife.
  6. Return to the oven and bake for another 18 to 22 minutes, removing golden, crisp pieces as they finish and returning the rest to the oven.
  7. Let cool completely on the baking sheet before serving or storing.

Notes

  • If using cheddar, shred it yourself for the best texture and melt.
  • Nutrition is calculated and approximate. Use a nutrition calculator with your specific ingredients and brands for precise values.
  • Store at room temperature in an airtight container for up to a week.
Nutrition
Calories: 175 | Fat: 9g | Saturated Fat: 5g | Carbohydrates: 15g | Protein: 5g | Sodium: 180mg (per serving of about 10 crackers, calculated estimate)

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Hey, I'm Asmae!

I’m the cook and baker behind Your Kitchen Lab. I develop and test sourdough recipes and simple meals in my own kitchen, with a focus on cooking from scratch and clear, approachable instructions.

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