Cinnamon Swirl Zucchini Bread (Gluten-Free, Dairy-Free) is my go to fix for those days when you look at a couple of zucchinis on the counter and think, I really need to use these up, but I also want something sweet. I used to make “regular” zucchini bread, but gluten free baking can feel weirdly stressful if you have had a loaf sink or turn gummy. This version is simple, cozy, and actually doable on a busy afternoon. You get a soft loaf, a ribbon of cinnamon sugar in the middle, and your kitchen smells like you tried way harder than you did. If you are new to baking gluten free, this is a friendly place to start. 
Here’s what you’ll need to make zucchini bread
I like recipes that do not require a scavenger hunt. Most of this is pantry stuff, plus zucchini. The big “secret” is that **zucchini adds moisture** so the bread stays tender even without dairy.
If you want another version for comparison, I have made a classic style loaf too, and it is a nice reference point: gluten-free zucchini bread.
Ingredients and simple swaps
- Grated zucchini: about 1 and a half cups, lightly packed
- Gluten-free flour blend: choose a 1 to 1 blend that includes xanthan gum, or add 1 teaspoon xanthan gum if yours does not
- Eggs: 2 large eggs for structure
- Oil: avocado oil or light olive oil both work
- Sugar: regular sugar, coconut sugar, or a mix
- Baking powder and baking soda: helps the loaf lift
- Cinnamon and a pinch of salt: makes everything taste like “zucchini bread” instead of “vegetable loaf”
- Vanilla: optional, but I always add it
- For the swirl: cinnamon plus sugar (and a tiny pinch of salt is weirdly good)
About the zucchini: I grate it on the medium holes of a box grater. Then I squeeze it gently in a clean towel. You do not need to squeeze it bone dry. Just get rid of the extra dripping liquid so the batter is not soupy.
If you need a dairy free option, you are already covered. There is no butter or milk here. If you are also egg free, I have to be honest, it gets trickier because eggs help gluten free loaves hold together. You can try flax eggs, but the texture will be more tender and a little more delicate.
Also, if you are the type who loves quick bread season, you might like these too when you want the same cozy vibe with a banana base: gluten-free cinnamon swirl banana bread.
Mixing the batter
This is the part where I used to overthink everything. Now I keep it simple: mix wet, mix dry, combine, swirl, bake. The cinnamon swirl looks fancy, but it is basically just a layered sprinkle with a quick knife swirl.
Here is my exact flow:
1) Heat the oven
Set it to 350 F. Grease a loaf pan and line it with parchment if you want easy lifting later.
2) Mix the dry bowl
Gluten-free flour blend, baking powder, baking soda, cinnamon, and salt. Whisk it well so no weird pockets of leavening end up in one bite.
3) Mix the wet bowl
Eggs, sugar, oil, and vanilla. Whisk until it looks smooth and a little lighter.
4) Add zucchini
Stir in the grated zucchini. It will look like a lot, but it disappears into the loaf.
5) Combine
Pour wet into dry and stir until you do not see dry flour. Do not keep stirring for fun. Gluten-free batters can get heavy if you overmix.
6) Swirl it
Pour half the batter into the pan. Sprinkle your cinnamon sugar swirl mixture in an even layer. Add the rest of the batter. Then use a butter knife to make a few gentle S shapes. Two or three passes is enough. If you go wild, the swirl disappears into the whole loaf.
7) Bake
Bake about 45 to 60 minutes depending on your pan and oven. I start checking around 45 minutes. You want a deep golden top and a toothpick that comes out mostly clean with a few moist crumbs.
After baking, let it cool in the pan for 10 to 15 minutes, then lift it out and cool completely on a rack. I know it is hard to wait, but slicing too early can make it crumble.
“I made this for my gluten free kid and my not gluten free husband ate half the loaf before dinner. The cinnamon swirl sold everyone.”
Tips for the perfect gluten-free zucchini bread
Gluten free quick breads are easy once you know what matters. Here is what has helped me get consistent results.
Do not skip squeezing the zucchini
If your zucchini is super watery, it can make the center gummy. Squeeze lightly and you are good.
Choose the right flour blend
A good 1 to 1 gluten-free blend makes baking feel normal again. If your blend does not include xanthan gum, add it. That little ingredient helps with structure and slicing.
Let the loaf cool completely
This is not just a “food blogger rule.” Gluten-free loaves finish setting as they cool. If you slice hot, it can look underbaked even if it is not.
Watch the top
If the top is browning too fast but the center is not done, tent the loaf with foil for the last 10 to 15 minutes.
Measure zucchini after grating
I always measure the grated zucchini, not the whole zucchini. Sizes vary so much.
And a tiny personal note: I like to bake this when I have that late afternoon slump and want something comforting with tea. One thick slice, a little extra cinnamon on top, and suddenly the day feels less chaotic.
Variations and add-ins for zucchini bread
If you make this once, you will probably start playing with it. Here are a few ideas that still keep the loaf gluten free and dairy free.
Chocolate chip cinnamon swirl
Add a half cup of dairy free chocolate chips to the batter. It turns into a dessert situation fast.
Nutty crunch
Walnuts or pecans are classic. Add a half cup. You can also sprinkle some on top before baking for a bakery look.
Blueberry twist
If you love fruit in quick breads, blueberries plus cinnamon is a real thing. I have a banana version that scratches that itch: gluten-free blueberry cinnamon swirl banana bread.
Lower sugar vibe
You can cut the sugar a bit, but do not remove it completely. Sugar helps with moisture and texture, especially in gluten free baking. If you reduce it, expect a slightly less tender crumb.
Mini loaves or muffins
Yes, you can. Muffins bake faster, usually around 18 to 24 minutes. Mini loaves land somewhere in the middle. Just keep an eye on them.
More gluten-free quick bread and muffin recipes
Once you get comfortable with Cinnamon Swirl Zucchini Bread (Gluten-Free, Dairy-Free), it is kind of addictive to keep baking similar cozy things. Quick breads are forgiving, easy to share, and honestly great for meal prep breakfasts.
If you want something savory for a change, I am obsessed with zucchini in pretty much any form, including this fast dinner that feels restaurant-ish but is super doable: 15-minute garlic butter shrimp with zucchini noodles.
And if you are looking for a bread option that is more snacky and less sweet, these are a lifesaver when you want something warm and bready without the gluten: 4-ingredient keto bread rolls.
Quick breads also freeze really well. I slice the loaf, wrap slices individually, and freeze. Then I can grab one piece, toast it, and it tastes freshly baked again. This is especially nice if you are the only gluten free person in the house and you do not want the whole loaf gone in one day.
Common Questions
Do I have to peel the zucchini?
Nope. I never peel it. The skin is thin and softens in the oven, plus it has nice color and nutrients.
Why did my gluten-free zucchini bread turn out gummy?
Usually it is too much moisture or underbaking. Squeeze the zucchini a bit more next time, and make sure the center is fully set before pulling it out. Also let it cool all the way before slicing.
Can I make Cinnamon Swirl Zucchini Bread (Gluten-Free, Dairy-Free) with almond flour?
Not as a straight swap. Almond flour behaves very differently. For best results, stick with a 1 to 1 gluten-free flour blend designed for baking.
How do I store it?
Store it tightly covered at room temp for 2 days, or in the fridge for up to 5 days. For longer storage, slice and freeze.
Can I double the cinnamon swirl?
You can, but go easy. Too much swirl sugar can create a gooey layer that makes slicing messy. I like a balanced ribbon so the loaf still holds together.
A cozy loaf you will want to bake again
If you have zucchini to use up and want something simple, Cinnamon Swirl Zucchini Bread (Gluten-Free, Dairy-Free) really is one of those recipes that delivers without a bunch of fuss. Keep your zucchini moisture in check, do not overmix, and let the loaf cool before slicing, and you will be in a great place. If you want another baker’s take for extra inspiration, check out Gluten-Free Cinnamon Swirl Zucchini Bread – The Breadless Brunette. Now go bake it, make your kitchen smell amazing, and tell me if you are team “warm slice right away” or team “wait like a responsible adult.”
Cinnamon Swirl Zucchini Bread
Ingredients
Bread Ingredients
- 1.5 cups grated zucchini, lightly packed Squeeze out excess moisture.
- 2 large eggs Provide structure, can be substituted with flax eggs for egg-free version.
- 1 cup gluten-free flour blend Use a 1 to 1 blend that includes xanthan gum.
- 1 teaspoon xanthan gum Add if your flour blend does not contain it.
- 0.5 cup sugar Can use regular, coconut sugar, or a mix.
- 0.25 cup avocado oil or light olive oil
- 1 teaspoon baking powder
- 0.5 teaspoon baking soda
- 1 teaspoon cinnamon Adds flavor.
- 1 pinch salt
- 1 teaspoon vanilla (optional)
Cinnamon Swirl Mixture
- 1 tablespoon cinnamon
- 2 tablespoons sugar
- 1 pinch salt Enhances flavor.
Instructions
Preparation
- Preheat the oven to 350°F (175°C). Grease a loaf pan and optionally line with parchment paper.
- In a dry bowl, whisk together gluten-free flour blend, baking powder, baking soda, cinnamon, and salt.
- In another bowl, whisk eggs, sugar, oil, and vanilla until smooth and light in color.
- Stir in grated zucchini into the wet mixture.
- Pour wet ingredients into dry ingredients and mix until just combined.
- For the swirl, pour half the batter into the loaf pan, sprinkle cinnamon sugar mixture, add remaining batter, and gently swirl with a knife.
- Bake for 45 to 60 minutes until the top is golden and a toothpick comes out with a few moist crumbs.
- Let the bread cool in the pan for 10 to 15 minutes before transferring it to a rack to cool completely.
