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These delicious sourdough zucchini fritters are an easy sourdough discard recipe. They can be enjoyed hot or cold and are a simple way to use up your sourdough discard. The best thing about these sourdough zucchini fritters is that they are simple to make and give you a big serving of veggies with minimal effort. They are great to make with the kids and will encourage them to eat more greens! Plus you can substitute the veggies with whatever you have on hand.

Why You’ll Love This Recipe!
Use 100g of sourdough discard – which is really handy if you’re making a sourdough starter and you’re discarding every day to help your sourdough starter thrive.
Simple Ingredients – These sourdough zucchini fritters utilise very simple ingredients, most of which you’d have in your fridge and pantry.
Use Excess Zucchini – These are perfect to make when zucchini are cheap and plentiful in the summer. Even better if you have zucchini growing in your vegetable patch! You might also like to make sourdough zucchini muffins, sourdough zucchini pizza or even sourdough zucchini bread.

Ingredients
- Zucchini – shred zucchini and squeeze out excess moisture and liquid before weighing. Getting rid of excess liquid stops the fritters from being watery and falling apart.
- Sourdough Discard – Your sourdough discard can be straight from the fridge or at room temp, it doesn’t matter too much. Like most sourdough discard recipes, you could even use fed starter if you wanted to. Just make sure you’re not using older discard as it will make the fritters taste sour.
- All Purpose Flour
- Cheddar Cheese and Parmesan – freshed grated is best. Other cheese work well too. WE love using monterey jackcheese when we have it. If I’m making them just for my husband and I, I love adding some feta too!
- Green onions – you can use a yellow onion if that’s what you have on hand. Fresh herbs like dill or chives work really well as an alternative too to add extra flavor.
- Salt & Black Pepper – you can add other seasonings like red pepper flakes, garlic powder or even flavored salt if you like.
- Olive Oil – or whatever oil you like to fry with.

How To Make Sourdough Zucchini Fritters
Making sourdough zucchini fritters is pretty easy. You can have a batch of them on the table in under 30 minutes! They are classified as a no wait sourdough recipe!
The secret to the perfect fritters is making sure you squeeze as much liquid out of the grated zucchini as possible. A good trick here is placing the shredded zucchini into a cheese cloth or flour sack tea towel and twisting the cloth to squeeze all the excess water out.
Here’s the basic process for making sourdough discard zucchini fritters:
Add all ingredients to a bowl and mix thoroughly to create the fritter batter.
Heat a non stick frying pan or skillet and add a little oil (these are an oven free sourdough recipe). You don’t want it too hot or the cheese will burn too quickly.
Fry spoonfuls of the zucchini mixture on a medium heat until golden brown on both sides. Drain on paper towel to get rid of excess oil.

Kate’s Pro Tip
Hold The Salt!
It’s important not to add the salt to the bowl unless you are going to cook them straight away because the salt draws further moisture from the zucchini. So if you are going to make the batter and then delay cooking, don’t add the salt until just before you cook them.

Add Ins for Sourdough Zucchini Fritters
One of the great things about these sourdough zucchini fritters is that you can use the recipe as a base and include lots of other veggies – or even some meat!
You can include any type of vegetables in addition to or to replace the zucchini – as long as they stay around the 350g mark. Some veggies that work well are grated sweet potato, canned sweet corn, red capsicum, grated carrot, brown onion, frozen peas.
We also add bacon sometimes too! 100g works well, you can just add it without adjusting anything. I use diced bacon and add it raw and it cooks as the fritters cook. If you prefer crunchy bacon pieces you could cook them prior to adding.
Serving Suggestions
These sourdough zucchini fritters are so versatile. You can use them in lots of different ways. Here are a few ideas!
- They make a great addition to lunch boxes. My kids enjoy them cold (I add a dipping sauce for them too).
- Use them as an alternative to meat in a sourdough discard hamburger bun and top with your fave salads and sauces – YUM!
- Make mini fritters and serve at your next get together alongside some sourdough crackers – they are extra delicious with served with this spicy tomato relish or even a dollop of sour cream.
- Make them part of breakfast – we love making them and popping a poached egg on a stack of fritters. So good and a great way to bring sourdough breakfast recipes to your table.

How To Store + Freeze
These sourdough zucchini fritters are best eaten fresh and do not freeze well. They can be stored for up to 2 days in the fridge and eaten cold (making them perfect for lunchboxes).


Sourdough Discard Zucchini Fritters
Equipment
- Mixing Bowl
- Frying Pan
Ingredients
- 350 g Zucchini, grated, squeeze out excess moisture BEFORE WEIGHING
- 100 g Sourdough Discard
- 100 g All Purpose Flour
- 2 Eggs
- 50 g Cheddar Cheese, Grated
- 50 g Parmesan, Grated
- 50 g spring onions, Chopped
- Salt & Pepper to taste
- Olive Oil, for frying
Instructions
- Grate the zucchini and squeeze all the moisture out before weighing it. This is to ensure that your fritters aren't watery and don't fall apart.

- Add all ingredients to a large mixing bowl and combine until it forms a thick batter. Ensure that all the flour is mixed through.

- Heat a large frying pan on the stove, adding around 20 mls of oil to the pan. Once it's hot, turn the pan down to a moderate heat.
- Add spoonfuls of mixture to the pan and flatten them slightly so they cook evenly. Cook for around 4 minutes on each side or until they are golden and crispy on the outside.

- Lay cooked fritters on paper towel once cooked to absorb excess oil.

Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Like this? Rate and comment below!















Trying to keep up with all the zucchini! I made these and they were wonderful. I didn’t have Parmesan cheese so I used pecorino. Very addicting
Easy flexible recipe. Great way to Used up zucchini and discard.
These are delicious! Thank you!
What do we think about freezing these?!
Thanks Kate for this recipe, it’s great. They won’t last long 😊
Delicious recipe!
Couple questions:
1) is the weight of the zucchini (350g) the weight of it BEFORE squeezing the water out or the final ‘dry’ weight?
2) if I add other ingredients to the zucchini, like sweet corn, do I need to take away the same weight of zucchini or can these fritters handle more vegetable weight?
Thanks!
I’m so glad you loved it! I weigh the zucchini after all the water has been squeezed out (so final dry weight). I often add a few more things without taking out any zucchini. Sweet corn for sure you can just add a bit and it won’t hurt. Enjoy! TPM xo
Do you think these could freeze for later use?
They are delicious and don’t tend to stick around, but wondering if I could make ahead and freeze for later.
LOVE this recipe and my husband does too! Perfect side with some grilled chicken. I learned the hard way not to skip the green onions – they’re crucial for flavor!
Hello!
Can you freeze these fritters?
Thank you!
I’m sure that would work!
Super easy, versatile, yummy recipe!
These were excellent. I only had one medium zucchini, so filled in with some grated potato. I love that you have ingredients by weight. Added herbs to our taste & cooked on my oven griddle top, so could cook many at a time. For extra crunch I sprinkled a little Parmesan on top before flipping. I made an herb sauce with mostly Greek yogurt, a little sour cream & mayo with garlic & onion powders, and dried herbs. Delicious!!
What a wonderful recipe! I didn’t have spring onions so included some chopped white onion. Since I’m a huge garlic lover, I also added a few cloves. Aside from these changes, I’m sure the recipe would have been great “as is”!!! Thank you, this will definitely be a repeat here.
Absolutely delicious. Prepared mix in morning and made for dinner in the evening!
Thankyou so much for sharing! My oven broke so I’ll be trying the slow cooker method. Plus the zucchini fritters, super excited!!! Thanks again from NZ 😀
Love this recipe! It’s a regular in our home because I always have starter in the fridge and an abundance of zucchini most of the year (we live in Mexico) Here is a handy tip: I make a double recipe of these yummy fritters and freeze them between layers of wax paper, or parchment. Once frozen, we keep them in a ziplock in the freezer and throw them in the air fryer for a few minutes to re-heat. Recently, I tried putting them in the toaster (frozen) and it worked great! Easy-peasy! Throw a couple of friend eggs on top and you’ve got a great, healthy breakfast!
What great tips, Maika! I’m going to have to try putting them in the toaster. Thank you so much for sharing your great info. 🙂
These fritters are we amazing! Kinda latke-ish, but not (if that makes sense. They are perfect for using up that random zucchini. I salted and peppered them as they cooked, in addition to adding them to the mixture.
The best taste and textured Zucchini fritters ever