Sometimes you want something comforting and warm that doesn’t derail your eating plan — that’s exactly why I perfected this keto zucchini bread. It gives you the smell of fresh baked bread wafting through the house, a tender, slightly spiced crumb, and enough fat and protein to keep you satisfied through the morning. If you’ve been missing loaf‑baked goodness since going low‑carb, you’re in for a treat.
When fall hits, I love swapping some ingredients and making pumpkin zucchini bread for cozy mornings.
Why this keto zucchini bread works
When you replace wheat flour with almond and a touch of coconut flour, the texture and moisture change. Zucchini is your secret ally here: it adds steam and tenderizes the loaf so it never feels dry or dense. I tested this recipe several times and learned a few little tricks — like squeezing the zucchini just enough and folding gently — that keep the bread light without losing that classic crumb.
If you need a nut‑free alternative, check out gluten free zucchini bread for tips on substitutions.
Ingredients
These ingredients make one 9×5-inch loaf (about 8 slices).
Dry ingredients
- 2 cups almond flour (finely ground)
- 1/4 cup coconut flour
- 1/3 cup erythritol or monk fruit sweetener (granulated)
- 2 tsp baking powder
- 1/2 tsp baking soda
- 1 tsp ground cinnamon
- 1/4 tsp ground nutmeg (optional)
- 1/4 tsp xanthan gum (optional, improves structure)
- 1/4 tsp fine sea salt
Wet ingredients
- 3 large eggs, room temperature
- 1/3 cup melted butter or coconut oil
- 1/3 cup sour cream or full‑fat Greek yogurt
- 1 tsp vanilla extract
- 1 cup finely grated zucchini (about 1 medium), excess water squeezed out
- 1 tsp lemon zest (optional, brightens flavor)
Optional add‑ins
- 1/3 cup chopped walnuts or pecans
- 2 tbsp sugar‑free chocolate chips
How to Make Keto Zucchini Bread
Time needed: 1 hour and 5 minutes
Read through the full method once before you start — the steps are forgiving but a few small habits give the best result.
- Prep and combine dry ingredients
Preheat your oven to 350°F (175°C). Line a 9×5 loaf pan with parchment and lightly grease. In a medium bowl whisk together the almond flour, coconut flour, sweetener, baking powder, baking soda, cinnamon, nutmeg, xanthan gum (if using), and salt. Breaking up any clumps now saves frustration later.
- Mix the wet ingredients
In a separate bowl, beat the eggs lightly then whisk in the melted butter, sour cream, vanilla, and lemon zest. Fold in the grated zucchini. A quick tip: grate the zucchini on the small holes and press it in a clean kitchen towel or paper towels to remove excess moisture. You want it moist but not dripping.
- Combine and bake
Pour the wet mixture into the dry ingredients and fold gently until just combined. If you’re adding nuts or chocolate chips, fold them in now. Transfer the batter to the prepared loaf pan and smooth the top. Bake for 45–55 minutes, or until a toothpick in the center comes out mostly clean with a few moist crumbs. Ovens vary, so start checking at 40 minutes.
- Cooling
Let the loaf cool in the pan for 10–15 minutes, then use the parchment to lift it onto a rack to cool completely. The bread firms up as it cools, which makes slicing clean and easy. If you slice it too early you might get a slightly crumbly edge.
Tips & Tricks
- If your almond flour is coarse, pulse it briefly in a food processor for a finer texture and a silkier crumb.
- Want it sweeter? Add 1–2 tbsp powdered erythritol to the batter or sprinkle a little on top before baking.
- To make this nut‑free, replace almond flour with a store‑bought nut‑free keto flour blend and increase the coconut flour by 1–2 tbsp (results may vary).
- Freeze slices between parchment sheets for quick breakfasts — thaw in the toaster or microwave for 20–30 seconds.
- If you miss that tangy loaf flavor, try my sourdough zucchini bread for a naturally fermented twist.
FAQs
Traditional zucchini bread is not keto due to wheat flour and sugar. This version swaps those for low‑carb flours and sugar substitutes to keep net carbs low while delivering the familiar flavor.
Grate on the small side, then squeeze out excess moisture. We measure 1 cup after shredding and squeezing — that equals about one medium zucchini.
Almond flour provides most of the structure, but a small amount of coconut flour helps absorb moisture and prevent a gummy texture. If you use only almond flour, reduce the wet ingredients slightly and expect a slightly different crumb.
Depending on sweetener and add‑ins, expect roughly 4–6g net carbs per slice (based on 8 slices). Nutrition below is an estimate.
Conclusion
If you miss loaf‑style treats, this keto zucchini bread is an easy fix that keeps your low‑carb goals intact without sacrificing comfort. It’s forgiving, freezes beautifully, and pairs wonderfully with a smear of cream cheese or a pat of butter. Give it a try the next time you have a zucchini or two lurking in the crisper — the smell alone will make it worth baking.
For a sweeter, fruitier loaf you might enjoy my zucchini banana bread variation as a next bake.
Keto Zucchini Bread
Ingredients
Dry ingredients
- 2 cups almond flour finely ground
- ¼ cup coconut flour
- ⅓ cup erythritol or monk fruit sweetener granulated
- 2 tsp baking powder
- ½ tsp baking soda
- 1 tsp ground cinnamon
- ¼ tsp ground nutmeg optional
- ¼ tsp xanthan gum optional
- ¼ tsp fine sea salt
Wet ingredients
- 3 large eggs room temperature
- ⅓ cup melted butter or coconut oil
- ⅓ cup sour cream or full‑fat Greek yogurt
- 1 tsp vanilla extract
- 1 cup finely grated zucchini excess water squeezed out
- 1 tsp lemon zest optional
Optional add‑ins
- ⅓ cup chopped walnuts or pecans
- 2 tbsp sugar‑free chocolate chips
Instructions
- Preheat oven to 350°F (175°C). Line a 9×5 loaf pan with parchment and lightly grease.
- In a medium bowl whisk almond flour, coconut flour, sweetener, baking powder, baking soda, cinnamon, nutmeg, xanthan gum (if using), and salt until uniform.
- In a separate bowl beat eggs, then whisk in melted butter, sour cream, vanilla, lemon zest, and grated zucchini (squeezed to remove excess moisture).
- Fold wet ingredients into dry just until combined. Stir in optional nuts or chocolate chips. Transfer to loaf pan and bake 45–55 minutes, until a toothpick comes out mostly clean.
- Cool in pan 10–15 minutes, then transfer to a rack to cool completely before slicing so the crumb firms up.
Notes
- If almond flour is coarse, pulse it briefly in a processor for a finer texture.
- For nut‑free option, try a nut‑free keto blend and adjust coconut flour slightly; results may vary.
- Freezes well: slice and freeze between parchment sheets for quick breakfasts.
