Sugar Free Zucchini Bread (Gluten-Free & Low Carb Options)
If you’ve ever had a slice of warm, moist zucchini bread, you know how comforting it can be. But for those following gluten-free, sugar-free, or low-carb diets, traditional recipes often don’t make the cut. Luckily, this recipe for sugar free zucchini bread offers a delicious, wholesome alternative that’s packed with flavor and nourishing ingredients.
Table of Contents
Not only is it free of refined sugar, but it also caters to those with dietary restrictions by being both gluten-free (GF) and customizable for low-carb (LC) needs. It’s the perfect solution for anyone who wants a healthier twist on a classic favorite.
Zucchini is a surprisingly nutritious base for baked goods, offering moisture, fiber, and subtle flavor. According to USDA FoodData Central, zucchini is low in calories, rich in vitamin C, and a great source of hydration. Using zucchini as a star ingredient also helps keep the bread tender without relying on excess oil or butter.
What makes this bread stand out even more is the use of low-glycemic sweeteners, like erythritol or monk fruit. These ingredients won’t spike your blood sugar, making the recipe ideal for diabetics or anyone watching their carb intake. For more information on how different sweeteners affect your body, see this helpful Glycemic Index Chart from Harvard Health.
What Makes This Recipe Sugar-Free, GF, and LC?
Crafting a loaf of zucchini bread that checks all the dietary boxes might sound challenging, but it’s easier than you think. Here’s how it’s done:
- Sugar-Free: Replacing white sugar with erythritol, monk fruit, or stevia keeps things sweet without the sugar rush.
- Gluten-Free: Using almond flour, coconut flour, or a 1:1 gluten-free flour blend provides structure without the gluten.
- Low-Carb: Swapping out grains and sugary additives for low-carb flours and nut-based options drastically reduces the carb count.
Health Benefits of Sugar-Free Zucchini Bread
There’s more to this bread than just flavor. Each slice is loaded with nutrients that support a healthy lifestyle.
- Zucchini provides hydration, fiber, and antioxidants.
- Almond flour is rich in healthy fats and vitamin E.
- Coconut oil promotes satiety and heart health.
- Low-glycemic sweeteners reduce blood sugar impact.
Combined, these ingredients help create a snack or breakfast bread that’s both delicious and nourishing.
Ingredient List & Smart Substitutions
Here’s what you’ll need to make your loaf a success:
- 1 cup gluten-free 1:1 baking flour or almond flour
- ¼ cup coconut flour (optional, for texture)
- 1 tsp baking soda
- ½ tsp baking powder
- ½ tsp salt
- 1 ½ tsp cinnamon
- ¼ tsp nutmeg
- 2 large eggs
- ⅓ cup coconut oil (melted)
- ¼ cup almond milk (or other plant milk)
- 1 tsp lemon juice
- 1 tsp vanilla extract
- ¾ cup erythritol or monk fruit sweetener
- 1 ½ cups grated zucchini (squeezed dry)
- ½ cup optional add-ins: walnuts, sugar-free chocolate chips, or shredded coconut

Substitutions:
- For dairy-free: use almond or oat milk.
- For nut-free: replace almond flour with sunflower seed flour.
- For vegan: swap eggs for flax eggs.
Step-by-Step Instructions
Here’s how to bring it all together:
- Preheat your oven to 350°F (175°C) and grease a loaf pan or line with parchment paper.
- In a bowl, whisk together the dry ingredients.
- In another bowl, combine wet ingredients and sweetener.
- Stir the grated zucchini into the wet mix.
- Add dry ingredients to wet and mix until combined.
- Fold in any add-ins like walnuts or sugar-free chocolate chips.
- Pour into the prepared pan and bake for 45–50 minutes.
- Let cool for 10 minutes before transferring to a wire rack.
Kitchen Tools You’ll Need
- Box grater or food processor for grating zucchini
- Two mixing bowls
- Loaf pan (9×5-inch or mini pans)
- Spatula or whisk
- Measuring cups and spoons
Storage & Freezing Tips
- Store the bread in an airtight container at room temperature for up to 3 days.
- For longer storage, wrap slices individually and freeze for up to 2 months.
- Reheat frozen slices in the microwave or toaster oven.
Easy Variations to Try
Looking to mix it up? Try these creative spins:
- Add ½ cup sugar-free chocolate chips for a dessert feel.
- Sprinkle pumpkin seeds or shredded coconut on top before baking.
- Swap in shredded carrots for half the zucchini.
- Bake as muffins (20–25 minutes) instead of a loaf.
Troubleshooting Common Issues
Even healthy baking comes with learning curves. Here’s how to fix common problems:
- Too Wet? Make sure to squeeze all moisture from the zucchini.
- Too Gummy? This may mean too much sweetener or underbaking.
- Falls in the middle? Avoid opening the oven door too early and check your leavening agents.
Nutritional Breakdown (per slice, approx.)
- Calories: 140
- Fat: 10g
- Carbs: 8g (Net: 4g)
- Fiber: 4g
- Protein: 4g
- Sugar: 1g (from natural ingredients)
Baking Tips for Sugar-Free & Low-Carb Success
Want to become a pro at healthy baking? Here’s what to keep in mind:
- Combine erythritol with monk fruit for a more natural sweetness.
- Don’t skip the salt—it balances flavor.
- Use a silicone loaf pan to avoid sticking without extra oil.
FAQs About Sugar-Free Zucchini Bread
Should I peel the zucchini?
Nope! The skin is soft and adds nutrients.
Do I have to squeeze the zucchini?
Yes—excess water will make your bread soggy.
Can I use coconut flour only?
No—it absorbs too much liquid. Pair it with almond or GF flour.
Why is my bread gummy?
Overmixing or using too much zucchini can cause this.
Is this suitable for diabetics?
Yes, when made with approved sweeteners like erythritol or monk fruit.
Final Thoughts
This sugar-free zucchini bread offers the best of both worlds: the satisfaction of comfort food and the wholesomeness of clean eating. With just a few tweaks, you can enjoy a recipe that fits into gluten-free, low-carb, and refined sugar-free lifestyles—without sacrificing taste.
So roll up your sleeves, grate that zucchini, and bake something delicious that your body and taste buds will both love.
PrintSugar Free Zucchini Bread (Gluten-Free & Low Carb Options)
- Total Time: 1 hour 5 minutes
- Yield: 1 loaf (about 10 slices) 1x
Description
A deliciously moist and fluffy zucchini bread that’s sugar-free, gluten-free, and low in carbs. Perfect for a healthy breakfast or snack, with options for added texture and flavor.
Ingredients
- 1 cup gluten-free 1:1 baking flour or almond flour
- ¼ cup coconut flour (optional, for texture)
- 1 tsp baking soda
- ½ tsp baking powder
- ½ tsp salt
- 1 ½ tsp cinnamon
- ¼ tsp nutmeg
- 2 large eggs
- ⅓ cup coconut oil (melted)
- ¼ cup almond milk (or other plant milk)
- 1 tsp lemon juice
- 1 tsp vanilla extract
- ¾ cup erythritol or monk fruit sweetener
- 1 ½ cups grated zucchini (squeezed dry)
- Optional: ½ cup walnuts, sugar-free chocolate chips, or shredded coconut
Instructions
- Preheat oven to 350°F (175°C). Grease or line a 9×5-inch loaf pan.
- In a large bowl, whisk together all dry ingredients: flours, baking soda, baking powder, salt, cinnamon, and nutmeg.
- In another bowl, combine eggs, melted coconut oil, almond milk, lemon juice, vanilla extract, and sweetener.
- Stir in the grated zucchini until well combined.
- Gradually add the dry ingredients to the wet mixture, stirring just until incorporated.
- Fold in any optional add-ins like walnuts, chocolate chips, or coconut.
- Pour the batter into the prepared loaf pan and smooth the top.
- Bake for 45–50 minutes, or until a toothpick inserted in the center comes out clean.
- Let cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
Notes
You can store the bread in the fridge for up to 5 days or freeze slices for a quick, healthy snack. For a dairy-free version, ensure your chocolate chips are also dairy-free.
- Prep Time: 15 minutes
- Cook Time: 50 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 170
- Sugar: 1g
- Sodium: 180mg
- Fat: 13g
- Saturated Fat: 6g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 3g
- Protein: 4g
- Cholesterol: 35mg