Clumpy Sourdough Discard Granola
If your sourdough starter is begging for a feeding and you are tired of pouring the discard down the drain, this granola turns that tangy extra into something you will genuinely crave. It is the kind of clumpy, crisp, deeply toasty granola that makes a plain bowl of yogurt feel like a real treat.
The sourdough adds a subtle tang that keeps the sweetness in check, and the method is simple enough that you will reach for it every time you have discard on hand.
Why This Sourdough Granola Works
The discard acts like a thin paste that coats the oats and nuts, then dries into the brittle threads that hold big, shaggy clusters together. No egg white, no fuss.
A mix of maple syrup and brown sugar caramelizes at the edges during the slow bake, so the flakes get golden and nutty without raw, sugary pockets. It stays crunchy in a jar for two weeks and never tastes stale.
Ingredients
- 3 cups old-fashioned rolled oats: not quick oats, those turn dusty.
- 1 cup raw almonds, roughly chopped: pecans or walnuts work well too.
- ½ cup raw pepitas: sunflower seeds are a straight swap.
- ½ cup unsweetened coconut flakes: optional, adds a little chew.
- ½ cup sourdough discard (unfed, 100% hydration): straight from the fridge is fine.
- ⅓ cup maple syrup: honey makes a softer, chewier cluster.
- ⅓ cup melted coconut oil: avocado or a light olive oil also work.
- 2 tbsp brown sugar: helps the clumps caramelize.
- 1 tsp vanilla extract
- ½ tsp fine sea salt
- ½ cup dried cherries or raisins: tossed in after baking.
Variations / Substitutions
- Nut-free: replace the almonds with an extra 1 cup of seeds, like more pepitas or sunflower seeds.
- Gluten-free: use certified gluten-free rolled oats and make sure your starter is fed with gluten-free flour.
- Sweetener swap: honey produces a chewier granola; maple syrup gives you a crisper shatter. Brown rice syrup works too but is less sweet.
- Dried fruit: try chopped dried apricots, cranberries, or figs. Stir them in after the granola has completely cooled so they stay soft.
- Vegan: the recipe is already vegan when you use maple syrup and coconut oil.
If you enjoy no-waste baking, our Sourdough Discard Pancakes are another great way to use up starter.
How to Make Sourdough Discard Granola
Step 1: Whisk the Wet Mixture
Preheat your oven to 325°F (160°C) and line a large rimmed baking sheet with parchment paper. In a small bowl, whisk the ½ cup sourdough discard, ⅓ cup maple syrup, ⅓ cup melted coconut oil, 2 tbsp brown sugar, 1 tsp vanilla, and ½ tsp salt until you see a smooth, thin liquid.
The mixture will look a bit watery and slightly opaque from the starter. That is exactly what you want because it will soak into every oat flake instead of pooling on top.
Step 2: Toss the Oats and Nuts
In a very large mixing bowl, combine the 3 cups rolled oats, 1 cup chopped almonds, ½ cup pepitas, and ½ cup coconut flakes. Pour the wet mixture over the dry ingredients and stir with a spatula until every flake is glossy and no powdery bits remain at the bottom.
The sourdough creates a light paste that binds the oats together as it bakes, which is the secret to those big, crunchy shards. Scrape the sides of the bowl a couple of times to catch any hidden dry spots.
Step 3: Bake Until Deep Golden
Scrape the granola onto the lined baking sheet and press it into a compact, even layer about ½ inch thick. Bake for 45 minutes, stirring once after 20 minutes. Right after that stir, press the mixture back down firmly with the spatula and do not stir again for the rest of the bake—this is what builds the clusters.
The granola is ready when it smells deeply nutty, and the oats have turned a rich golden brown. It will still feel soft while hot, but it firms up completely as it cools.
Step 4: Cool and Break Into Clusters
Pull the baking sheet out of the oven and let the granola cool on the sheet without moving a single flake. It takes about 30 minutes to reach room temperature. Once cool, break it into big, irregular chunks with your hands, then toss in the ½ cup dried cherries.
The discard leaves a faint, pleasant tang that cuts through the sweetness, and the nuts stay crisp for weeks. Serve it right away over yogurt or just grab a handful.
Tips for Clumpy, Crisp Granola
- Pick a rimmed baking sheet: flat cookie sheets let the oats shift, and you lose the compression that makes clusters.
- Toast the nuts first for deeper flavor: you can dry-toast the almonds and pepitas in a skillet for 3 to 4 minutes before mixing, but let them cool so they do not melt the coconut oil.
- Press hard before baking: use the bottom of a measuring cup or spatula to compact the layer firmly. That pressure is what glues the oats together.
- Use thick rolled oats: thin, quick-cooking oats break apart and turn to dust, which works against chunky clusters.
Scale the batch easily:
| Batch Size | Rolled Oats | Discard | Maple Syrup | Coconut Oil |
|---|---|---|---|---|
| ½ batch | 1½ cups | ¼ cup | 2½ tbsp | 2½ tbsp |
| Full batch | 3 cups | ½ cup | ⅓ cup | ⅓ cup |
| Double | 6 cups | 1 cup | ⅔ cup | ⅔ cup |
Storing and Keeping It Crunchy
- Store: keep the granola in an airtight container at room temperature for up to 2 weeks. A glass jar with a tight seal holds the crunch best.
- Freeze: for longer storage, pack it into zip-top bags and freeze for up to 3 months. Thaw at room temperature. If it softens at all, spread it on a baking sheet and re-crisp at 300°F for 5 minutes.
What to Serve With Sourdough Granola
Thick Greek yogurt is my favorite partner because its tang echoes the sourdough and the creaminess sets off the crunch. For dessert, scatter a handful over vanilla ice cream with a drizzle of honey. It also adds a sturdy, nutty top to a smoothie bowl, keeping the texture interesting all the way to the last spoonful.
Frequently Asked Questions
Can I use fresh sourdough starter instead of discard?
Yes, an active, fed starter works. The taste will be milder, but the binding power and texture are exactly the same.
Why is my granola not forming clusters?
The most common reason is stirring too much after the halfway mark or not pressing the mixture firmly before it goes in. Let it cool completely untouched on the sheet, and next time pack it down harder after the 20-minute stir.
Is this granola gluten-free?
Oats are naturally gluten-free but often cross-contaminated. Use certified gluten-free rolled oats, and if your starter is fed with wheat flour, the granola will not be fully gluten-free.
Can I make it without the coconut?
Absolutely. Omit the coconut flakes and the recipe holds together. The clusters may be slightly less chunky, so an extra tablespoon of maple syrup helps compensate.
Sourdough Discard Granola Recipe
Ingredients
Method
- Preheat oven to 325°F (160°C) and line a rimmed baking sheet with parchment. Whisk the sourdough discard, maple syrup, melted oil, brown sugar, vanilla, and salt until smooth.
- In a large bowl, combine the oats, almonds, pepitas, and coconut flakes. Pour the wet mixture over and stir until every flake is coated.
- Press the granola into a compact, even layer on the baking sheet. Bake 45 minutes, stirring once at the 20-minute mark and pressing back down firmly; do not stir after that. It is done when deep golden and dry.
- Cool completely on the sheet without stirring, then break into big clusters and toss with the dried cherries.
