If you have some sourdough starter hanging out in your fridge that needs a little love, this Sourdough Discard Cinnamon Toast Crunch Recipe is going to be your new best friend in the kitchen. Imagine a crispy, sweet, cinnamon-spiced cereal snack that’s buttery and perfectly bite-sized, all made from ingredients you likely already have—and that sourdough discard you might otherwise toss. This recipe takes everyday pantry staples and transforms them into a nostalgic treat that tastes like a warm hug in cereal form. Whether you’re looking for a fun breakfast alternative, a snack, or a creative way to use your sourdough starter, this Cinnamon Toast Crunch-inspired delight will quickly become a household favorite.
Ingredients You'll Need
These ingredients are simple yet essential for capturing the perfect balance of flavor, texture, and that iconic cinnamon crunch. Each element plays a precise role: the sugar and cinnamon infuse sweetness and spice, the butter brings richness, and the sourdough starter adds depth and tenderness to the dough.
- ½ cup sugar: Provides the classic sweetness needed to mimic that beloved cereal taste.
- 1 tablespoon ground cinnamon: Adds aromatic warmth and the trademark cinnamon flavor.
- ¼ cup butter (melted): Ensures a luscious, buttery coating that crisps beautifully.
- 1 ½ cups all-purpose flour: Forms the sturdy yet tender base for the dough.
- ¼ cup granulated sugar: Sweetens the dough just enough without overpowering.
- 1 tablespoon ground cinnamon: Mixed into the dough for a subtle spice throughout.
- ½ teaspoon salt: Balances the sweetness and enhances the overall flavor.
- ½ cup cold butter: Cut into the flour for flaky, crisp bites.
- ½ cup sourdough starter: The secret MVP that adds moisture and complexity.
- 1 teaspoon vanilla extract: Offers a lovely hint of sweet vanilla warmth.
- 1-3 tablespoons cold water (optional): Helps bring the dough together if it’s too dry.
How to Make Sourdough Discard Cinnamon Toast Crunch Recipe
Step 1: Preheat and Prep
Start by preheating your oven to 350° F to ensure it’s ready when your little cinnamon squares go in. While the oven warms, mix ½ cup sugar with 1 tablespoon cinnamon in a small bowl—this blend will become the sweet, spiced topping that gives this treat its signature crunch. Also, melt the ¼ cup butter gently and set it aside for that golden brush of buttery goodness.
Step 2: Make the Dough
Next comes the fun part—mixing your dough. In a large bowl, whisk together the flour, granulated sugar, cinnamon, and salt until evenly combined. Take your cold butter and grate or cube it, then work it into the flour mixture until you see those delightful pea-sized lumps. This method is key for creating a flaky texture. Add your ½ cup sourdough starter and vanilla extract, stirring to bring everything together. If the dough feels a bit dry, gently add one tablespoon of cold water at a time until it all just holds together in a smooth ball.
Step 3: Roll the Dough
Line a baking sheet with parchment paper and lightly sprinkle it with a mixture of flour and cinnamon sugar to prevent sticking and add extra flavor. Halve your dough and place it on the parchment, then roll it out into a large rectangle about ⅛ inch thick—thin enough to bake crisp, but sturdy enough to hold its shape as it bakes.
Step 4: Cut the Dough
Using a pizza cutter or a sharp knife, slice your dough into perfect ½ inch squares. These bite-sized pieces are what make this recipe so fun and addictive. Once cut, carefully transfer the parchment paper with the dough squares onto your baking sheet to keep everything in place.
Step 5: Add Butter and Cinnamon-Sugar
Brush the top of your dough squares generously with the melted butter you prepared earlier—this step is what creates that beautiful golden color and rich flavor. Then, even more generously, sprinkle your cinnamon sugar mixture all over the top. This is what delivers that iconic crunchy, caramelized topping reminiscent of the cereal we all love.
Step 6: Bake and Enjoy!
Bake your Sourdough Discard Cinnamon Toast Crunch at 350° F for 15-20 minutes or until the edges turn a gorgeous golden brown. Remember, the cereal squares will crisp up further as they cool, so be patient and allow them to come to room temperature before diving in. Enjoy these with cold milk and fresh fruit for a nostalgic morning, as a snack, or crushed over egg-free vanilla ice cream with a drizzle of molasses syrup for a fun twist.
How to Serve Sourdough Discard Cinnamon Toast Crunch Recipe
Garnishes
While these cereal bites are delightful on their own, you can sprinkle a dusting of powdered sugar or a pinch of extra cinnamon for an elegant finish. Fresh berries or thin slices of apple on the side add delightful freshness that pairs beautifully with the buttery cinnamon flavors.
Side Dishes
Pair your Sourdough Discard Cinnamon Toast Crunch Recipe with yogurt or milk for a classic experience, or enjoy alongside a creamy smoothie for an extra satisfying breakfast. These crunchy squares also complement savory dishes like scrambled eggs, adding a sweet balance to your plate.
Creative Ways to Present
Looking to impress? Serve these cereal bites in little glass jars layered with milk and fruit like a parfait, or crumble them over warm oatmeal or chia pudding for extra texture and flavor. They also make a charming edible gift packed in a pretty tin or cellophane bag tied with a ribbon for friends and family.
Make Ahead and Storage
Storing Leftovers
Once your cinnamon toast crunch bites are fully cooled, store them in an airtight container at room temperature to maintain their crunchiness. They should stay fresh and delicious for about 3 to 4 days—perfect for quick snacks throughout the week.
Freezing
If you want to keep them longer, you can freeze these bites by placing them in a sealed freezer-safe bag or container. Freeze in a single layer first to prevent sticking, then stack once hardened. They’ll keep well for up to 1 month and retain their flavor when thawed.
Reheating
To refresh their crunch, warm leftover bites in a preheated oven at 300° F for about 5 minutes. Avoid microwaving as this can make them soggy. The oven helps bring back that delightful crisp texture just like when freshly baked.
FAQs
Can I use active sourdough starter instead of discard?
Absolutely! Using active sourdough starter will work well, though your dough might rise slightly more due to the live yeast. Just make sure to adjust water content if needed when mixing dough.
Is it necessary to use cold butter in the dough?
Yes, cold butter is key for achieving that flaky, crisp texture. Softened butter won’t create the little pockets of fat that make the cereal crunchy and tender.
Can I make this recipe gluten-free?
With some experimenting and using a gluten-free flour blend, you can adapt this recipe, but texture might vary. Make sure to use a blend that works well for baking and consider adding a binding agent like xanthan gum.
Do I have to add water to the dough?
Not always! The dough should hold together with the sourdough starter and butter, but if it’s crumbly or dry, adding cold water one tablespoon at a time helps bring it all together without making it too sticky.
How can I store this cereal to keep it crunchy longer?
Store in an airtight container at room temperature away from humidity. Avoid refrigeration, which can introduce moisture and soften the cereal.
Final Thoughts
There’s something truly special about turning your sourdough discard into this magical Sourdough Discard Cinnamon Toast Crunch Recipe. It’s not only a fantastic way to reduce waste but also creates an irresistibly crunchy, cinnamon-kissed treat that’s perfect for any time of day. I can’t wait for you to try it, share it, and make it your own. Happy baking, friend!
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Sourdough Discard Cinnamon Toast Crunch Recipe
- Total Time: 30 minutes
- Yield: 6 servings
Description
This Sourdough Discard Cinnamon Toast Crunch is a delightful homemade snack that transforms sourdough starter discard into crunchy, cinnamon-sugar coated squares reminiscent of the classic cereal. Perfectly buttery and sweet, these baked treats are simple to make and enjoyable on their own, with milk, fresh fruit, or as a topping over ice cream.
Ingredients
For Cinnamon Sugar
- ½ cup sugar
- 1 tbsp ground cinnamon
For Butter
- ¼ cup butter (melted)
- ½ cup cold butter
For Dough
- 1 ½ cups all-purpose flour
- ¼ cup granulated sugar
- 1 tbsp ground cinnamon
- ½ tsp salt
- ½ cup sourdough starter discard
- 1 teaspoon vanilla extract
- 1-3 tablespoons cold water (optional)
Instructions
- Preheat and Prep: Preheat your oven to 350°F (175°C). In a small bowl, combine ½ cup sugar and 1 tablespoon ground cinnamon; set this cinnamon sugar mixture aside. Melt ¼ cup butter in a small dish and keep it warm for later.
- Make the Dough: In a large mixing bowl, whisk together the all-purpose flour, ¼ cup granulated sugar, 1 tablespoon cinnamon, and salt. Grate or cube the cold butter and incorporate it into the dry ingredients by cutting or rubbing it until the mixture resembles pea-sized crumbs. Add the sourdough starter discard and vanilla extract, then mix until a dough forms. If the dough feels dry, add cold water one tablespoon at a time until it holds together.
- Roll the Dough: Prepare a baking sheet by lining it with parchment paper and lightly dust it with flour and some of the cinnamon sugar mixture. Place half of the dough on the parchment and roll it out evenly into a large rectangle about ⅛ inch thick.
- Cut the Dough: Using a pizza cutter, slice the rolled dough into ½ inch squares. Keep the squares on the parchment paper to transfer easily to the baking sheet.
- Add Butter and Cinnamon-Sugar: Generously brush the top of the dough squares with the melted butter. Then, sprinkle them liberally with the cinnamon sugar mixture prepared earlier, ensuring even coverage.
- Bake and Enjoy: Bake the squares in the preheated oven for 15-20 minutes or until they turn golden brown. Allow them to cool completely to achieve maximum crunchiness. Serve these crispy treats with cold milk, fresh fruit, or crumble them over egg-free vanilla ice cream with a drizzle of molasses syrup for an extra special dessert.
Notes
- You can adjust the cinnamon and sugar quantities to taste for more or less sweetness.
- Using cold butter helps create a flaky texture in the dough.
- If the dough is too sticky, chill it for 15 minutes before rolling out.
- The cereal squares become crunchier as they cool; avoid eating them straight out of the oven for best texture.
- Store leftovers in an airtight container at room temperature for up to 3 days.
- Prep Time: 10 minutes
- Cook Time: 15-20 minutes
- Category: Snack
- Method: Baking
- Cuisine: American


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