This Sourdough Carrot Cake comes together in about 30 minutes and bakes beautifully for a quick and easy dessert that your family will love! Honestly, it’s such a treat.
Ingredient Breakdown
Here’s everything you’ll need to create this wonderful cake:
- 1 cup sourdoug: the star of the show! This gives our cake a lovely tang and keeps it moist.
- 1 cup sugar: for that perfect sweetness! You can use granulated sugar, or switch it with brown sugar for a richer flavor.
- 1/2 cup vegetable oil: this keeps the cake tender and fluffy. You can even substitute with melted coconut oil or applesauce for a lighter version.
- 2 large eggs: these help bind everything together and add delicious richness.
- 1 teaspoon vanilla extract: adds a lovely aroma and enhances the overall flavor.
- 1 1/2 cups all-purpose flour: the base for our cake. You could try whole wheat or a gluten-free blend if you need to!
- 1 teaspoon baking powder: for a little lift!
- 1 teaspoon baking soda: this reacts with the sourdough to create a delightful rise.
- 1/2 teaspoon salt: a couple pinches of salt to balance the sweetness.
- 1 teaspoon ground cinnamon: the spice of choice! It adds warmth and depth to the cake.
- 1/2 teaspoon ground nutmeg: optional but oh-so-wonderful! Just a hint will do.
- 2 cups grated carrots: don’t hold back! This is where we get that lovely flavor and texture.
- 1/2 cup crushed pineapple (optional): for added moisture and a touch of sweetness, totally recommended if you have it!
- 1/2 cup chopped walnuts or pecans (optional): for that crunch! If you’re not a nut fan, feel free to leave them out.
How to Make Sourdough Carrot Cake
Now, let’s get baking! Follow these simple steps to create your new favorite cake:
Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan. (Just use a bit of butter or non-stick spray, this cake loves to stick, and we don’t want that!)
In a large bowl, whisk together the sourdough, sugar, vegetable oil, eggs, and vanilla until smooth and combined. Honestly, the smell of this mixture is already making me excited for dessert!
In another bowl, mix the flour, baking powder, baking soda, salt, cinnamon, and nutmeg. You want to ensure everything is well combined, no floury pockets hiding out!
Gradually add the dry ingredients to the wet mixture, stirring until just combined. Don’t overmix, let’s keep the fluffiness intact! It should be a bit lumpy, and that’s totally fine.
Fold in the grated carrots, and if you’re using them, add the pineapple and nuts as well. Just picture all those vibrant colors coming together; it’s so satisfying!
Pour the batter into the prepared baking pan and spread it evenly. Look at those beautiful orange flecks of carrot peeking through!
Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean. The aroma wafting through your kitchen will have everyone wandering in to see what delicious magic you’re cooking up
Allow to cool before serving. Patience is key here, my friend, we want it not to fall apart when we slice!
If you loved this Sourdough Discard Carrot Cake, be sure to check out my Pesto Parmesan Sourdough or my best sourdough recipes!

Why This Recipe Works
Quick & Easy
Comes together in under 30 minutes! With simple steps, this batter is almost too easy to throw together, making it perfect for an impromptu dessert.
Budget-Friendly
Uses affordable, everyday ingredients. You don’t need any fancy tools or expensive items here, just your pantry staples and some fresh carrots!
Customizable
Use whatever ingredients you have on hand. Got leftover nuts? Throw those in! Feeling fruity? Add some applesauce or crushed pineapple. This recipe is super forgiving!
Comfort Food
Loaded with tons of flavor and feels. Honestly, what’s more comforting than a warm cake fresh out of the oven? It’s like a hug for your taste buds!
Make-Ahead Friendly
Perfect for meal prep. Bake the cake ahead of time and store it. It’s even better the next day when all those flavors have had a chance to meld!
Serving & Storage Tips
Once your cake has cooled down, you might be wondering how best to serve it.
Serving suggestions:
- Serve it plain, or dress it up with a dollop of whipped cream or frost it with cream cheese frosting, talk about a showstopper!
- Pair it with a scoop of vanilla ice cream for a treat that everyone will rave about as you bask in your baking glory.
Storage:
- Store any leftover carrot cake in an airtight container in the refrigerator, and it will keep for about 5-7 days. I doubt it’ll last that long, though, it’s that good!
Reheating instructions:
- To reheat, pop a slice in the microwave for 10-15 seconds. Just enough to warm it up and make it all melty!
Freezer friendly:
- Yes! You can freeze the cake before or after frosting. Just wrap it tightly in plastic wrap, then foil. When you’re ready to eat, thaw in the refrigerator overnight and enjoy!
I encourage you to try this Sourdough Carrot Cake; it’s seriously one of my favorites! Between the moist cake, thanks to the sourdough, and the fun mix-ins you can play around with, your family will gobble it right up. Plus, you’re saving that sourdough from going to waste; talk about a win-win!
So, are you ready to get baking? I can’t wait to hear how yours turns out!
Happy baking, friends! And follow us on Pinterest for daily inspiration that brings warmth to your table!

Sourdough Discard Carrot Cake
Ingredients
Method
- Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
- In a large bowl, whisk together the sourdough discard, sugar, vegetable oil, eggs, and vanilla until smooth.
- In another bowl, mix the flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
- Gradually add the dry ingredients to the wet mixture, stirring until just combined.
- Fold in the grated carrots, and add pineapple and nuts if using.
- Pour the batter into the prepared baking pan and spread it evenly.
- Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
- Allow to cool before serving.