Sourdough Granola

Making homemade granola is so rewarding and surprisingly simple. This sourdough granola recipe is a fantastic way to use up that extra sourdough discard. Sprinkle it on your morning yogurt with fresh fruit or enjoy it with a splash of milk for a cozy breakfast or snack.

If you’ve got some sourdough discard hanging around and are in the mood for a crunchy, lightly tangy treat, then this sourdough granola recipe is exactly what you need. It’s a super easy, feel-good way to transform what you’d normally toss out into a pantry favorite that tastes amazing with yogurt, milk, or just by the handful.

This recipe comes together quickly and is very forgiving. You’ll spend about 5 minutes prepping, pop it in the oven for 30 to 35 minutes, then let it cool for around half an hour while the granola crisps to perfection. The sourdough discard adds a lovely gentle tang that beautifully balances the sweetness of honey and brown sugar. Plus, you can easily tweak the oats, nuts, and dried fruit mix to suit your family’s tastes.

Keep reading for a clear ingredient list, step-by-step instructions, handy troubleshooting tips, as well as ideas for mix-ins, swaps, and storage so you can make a batch that fits just right in your kitchen.

• Quick facts: About 5 minutes prep, 30–35 minutes baking, stores well up to a month at room temperature or freezes easily for up to 3 months.
• What you’ll learn: How to mix in your sourdough discard evenly, ways to get perfect clusters or a crumbly texture, and the best mix-ins and substitutions.

What Makes It Special

It tastes amazing! Homemade sourdough granola hits that perfect balance of crunch and flavor. The slight tang from the sourdough discard pairs so nicely with the honey’s natural sweetness. Honestly, I find myself snacking right out of the jar—it’s that good.

It’s quick and fuss-free! This recipe comes together with just 5 minutes of hands-on prep and about 30 minutes in the oven. Once you start making your own sourdough granola, store-bought just won’t cut it anymore.

It’s totally customizable! The pecans, almonds, and dried cranberries in this recipe are a great base (or lean into the cranberry vibes with this Air Fryer Cranberry Granola), but feel free to swap in whatever nuts and dried fruits you like best—make it your own!

Wondering why use sourdough discard in granola? There are actually several great reasons!

To Add Flavor

Sourdough discard brings a deeper, more complex flavor to your granola. The subtle tanginess complements the sweetness from honey and brown sugar perfectly, giving your granola a refreshing twist you just can’t get from regular store-bought versions. It’s a flavor combo you’ll quickly fall in love with. Prefer maple syrup over honey and brown sugar? Try Maple Nut Granola (gluten-free, refined sugar-free) for a naturally sweet alternative.

The sourdough’s gentle acidity balances the sweet ingredients, so your granola isn’t too sugary or overly sour – just right. I love this flavor so much, I can’t imagine making granola any other way.

To Reduce Waste

Using sourdough discard in recipes like this granola is a fantastic way to cut down on kitchen waste. Instead of tossing that extra starter after feeding your sourdough, you can turn it into something tasty like this granola. It’s a great way to respect your ingredients and reduce flour waste without sacrificing flavor.

For the Health Benefits

Sourdough has lots of health perks, especially for folks who might have mild gluten sensitivities. The natural fermentation breaks down gluten and phytic acid, making it easier on digestion and enhancing nutrient absorption. Plus, sourdough acts as a prebiotic, helping support good gut health.

So using it in granola not only amps up the flavor but might also make your snack friendlier for digestion and richer in nutrients. Win-win!

Ingredients and Quantities

• 4 cups rolled oats
• 1⁄2 cup chopped pecans
• 1⁄2 cup sliced almonds
• 2⁄3 cup dried cranberries
• 1⁄2 cup sourdough discard
• 1⁄2 cup honey
• 1⁄2 cup brown sugar
• 1⁄2 cup oil
• 1⁄2 tsp salt
• 1 tsp cinnamon
• 1 tsp vanilla extract

Step-by-Step Method

1. Preheat the oven to 325°F (160°C) and line a jelly-roll pan with parchment paper.
2. In a large bowl, mix rolled oats, chopped pecans, sliced almonds, and dried cranberries (reserve some dried fruit if you want larger pieces to add after baking).
3. In a separate bowl, whisk together sourdough discard, honey, brown sugar, oil, salt, cinnamon, and vanilla until smooth and most of the sugar is dissolved.
4. Pour the wet mixture over the dry ingredients and fold gently until all oats and nuts are evenly coated.
5. Spread the granola mixture in a single layer on the prepared pan; press down lightly for big clusters or leave loose for a crumbly texture.

6. Bake for 30–35 minutes, stirring once halfway through and rotating the pan if needed, until golden and fragrant.

7. Remove from the oven and let the granola cool completely on the pan (about 30 minutes) so it crisps up.
8. Break the cooled granola into chunks and add any reserved dried fruit if desired.

Tips for Best Results

Tips for Making Sourdough Granola

• Pick the right oats –Old-fashioned rolled oats or quick oats work great here. Avoid steel-cut oats because they won’t soften properly during baking.
• Add discard to wet ingredients first –Make sure you fully combine your sourdough discard with the wet mix so it coats the granola evenly.
• Don’t overbake –Right when it’s done, the granola might seem soft. Resist the urge to bake longer—it firms up as it cools.

Looking for flavor inspiration once you’ve mastered the method? Try our Cinnamon Raisin Granola for a classic twist.

Flavor Variations and Swaps

• Swap nuts: trade pecans and almonds for walnuts, hazelnuts, cashews, or your favorite nut blend.
• Add seeds: toss in sunflower, pumpkin, or chia seeds for a bit of extra crunch and nutrition.
• Change dried fruit: use raisins, chopped apricots, dates, dried apple chunks, or even banana chips instead of cranberries—or use a mix! For a banana bread twist, see Crispy Banana Bread Granola.
• Switch sweeteners: try maple syrup or agave nectar for a vegan-friendly version—taste will vary slightly.
• Boost spices: stir in 1/4–1/2 tsp ground ginger, nutmeg, or cardamom; add 1–2 tbsp shredded coconut either before or after baking.
• Chocolate lovers: wait until the granola’s completely cooled before folding in chocolate chips so they don’t melt. For flavor inspiration, try our Salted Chocolate Chip Cookie Granola.
• Lower oil: swap half the oil for unsweetened applesauce for a lighter granola—you might lose a touch of crunch.

Storage and Shelf Life

Once your sourdough granola has cooled completely, store it in an airtight container at room temperature. It should stay fresh and crunchy for about a month if kept in a cool, dry spot away from sunlight.

• Freeze it: Place cooled granola in a sealed freezer bag or airtight container and freeze for up to 3 months. Let it thaw at room temp before enjoying. This is especially helpful for nut- and seed-heavy mixes like our low-carb keto granola recipe.
• Re-crisp if needed: If your granola softens from humidity or added fruit, spread it out on a baking sheet and warm it in a 300°F (150°C) oven for 8 to 10 minutes. Keep an eye on it so it doesn’t burn!
• Avoid adding moist utensils or warm fruit directly into your container as moisture will soften granola faster.

Frequently Asked Questions

• Can I use active (fed) starter instead of discard? Yes, but since fed starter is milder and more hydrated, it changes the flavor and texture a bit. Discard is preferred because it cuts waste and gives that classic tangy note.
• Are quick oats okay? Absolutely! This recipe works well with rolled or quick oats, but steel-cut oats aren’t suitable as they don’t soften enough.
• How do I get big clusters? Press your granola firmly into the pan before baking. Don’t stir it while it cools, and press lightly again once it’s out of the oven if bigger clumps are your thing.
• Can I skip or reduce oil? You can cut back or swap part of the oil with applesauce, but expect less crunch. Oil really helps with that signature crispy texture.
• Why did my granola turn out soft? It’s usually due to humidity, underbaking, or storing warm granola. Give it a few minutes in a low oven to crisp back up and always store it fully cooled in an airtight container.
• When should I add chocolate or fragile fruit? Add them only after the granola has cooled so the chocolate won’t melt and the fruit doesn’t get sticky. For a tested peanut-butter variation, try our Peanut Butter Granola recipe.