How many carbs are in homemade zucchini muffins?

Homemade zucchini muffins are a delicious and healthy baked good that can be a tasty treat for those looking to reduce their carb intake. Zucchini is a low carb vegetable, so zucchini muffins are naturally lower in carbs than traditional muffins made with flour. However, the total carb count in zucchini muffins can vary considerably depending on the specific ingredients used in the recipe.

Quick Answer

Most homemade zucchini muffin recipes contain around 5-10 net carbs per muffin on average. However, the carb count can range from as low as 2 net carbs to as high as 15 net carbs per muffin depending on the ingredients and portion size. Factors like the amount of zucchini, sweetener, and flour substitutions used will impact the final carb count.

Breaking Down the Carb Count

To determine the total carb count in homemade zucchini muffins, it’s important to look at the specific ingredients that contain carbs and the serving size. Here’s a breakdown of where the carbs come from in a typical recipe:


Zucchini itself is very low in carbs, containing just 3 grams of carbs per cup. When making zucchini muffins, most recipes call for around 2-3 cups of shredded zucchini. So the zucchini adds minimal carbs, around 6-9 grams total.

Flour Substitutes

Many zucchini muffin recipes use flour substitutes like almond flour, coconut flour or oat fiber instead of all-purpose flour. A 1/4 cup serving of almond flour contains 6 grams of carbs, while coconut flour has around 16 grams per 1/4 cup. Oat fiber contains minimal carbs. So the type and amount of flour substitute used impacts the carb count.


Sugar and other sweeteners like maple syrup, honey or mashed bananas can also boost the carb content. A few tablespoons of sugar or maple syrup can add around 15-20 grams of carbs per muffin. Choosing lower carb sweeteners like erythritol or stevia will keep carbs minimal.


Any additional ingredients like chocolate chips, raisins or nuts will also contribute more carbs. Often zucchini muffin recipes call for 1/4 to 1/2 cup of mix-ins which can tally 10-15 more grams of carbs.

Portion Size

Finally, the carb count will depend on the size of each muffin. A standard size muffin is around 1/4 to 1/3 cup batter. Mini muffins have a smaller portion size and therefore contain fewer carbs. The total carb count is for one muffin, so this must be considered.

Low Carb Zucchini Muffin Recipe

This sample low carb zucchini muffin recipe makes 12 standard size muffins, each with just 5g net carbs.


– 3 cups shredded zucchini
– 1/4 cup almond flour
– 1/4 cup coconut flour
– 1/2 cup erythritol or monk fruit sweetener
– 2 eggs
– 1/2 cup olive oil or avocado oil
– 2 tsp baking powder
– 1 tsp cinnamon
– 1/2 tsp salt
– 1 tsp vanilla


1. Preheat oven to 375°F.
2. Mix the dry ingredients together: almond flour, coconut flour, sweetener, baking powder, cinnamon and salt.
3. In a separate bowl, whisk together the wet ingredients: eggs, oil and vanilla.
4. Add shredded zucchini to the wet ingredients.
5. Fold the dry ingredients into the wet ingredients until just combined.
6. Scoop the batter into a 12-cup muffin tin lined with liners.
7. Bake for 18-22 minutes until a toothpick inserted comes out clean.
8. Allow to cool before serving.

Nutrition Facts Per Muffin

– Calories: 180
– Fat: 14g
– Carbs: 8g
– Fiber: 3g
– Net carbs: 5g
– Protein: 4g

This recipe minimizes carb sources and uses fiber-rich almond and coconut flour along with low glycemic sweeteners. The result is a delicious zucchini muffin with just 5g net carbs per serving.

Higher Carb Zucchini Muffin Recipe

For comparison, here’s a higher carb zucchini muffin recipe that makes 10 muffins with around 15g net carbs each:


– 2 cups shredded zucchini
– 1 cup whole wheat or all-purpose flour
– 1/2 cup sugar
– 1/4 cup vegetable oil
– 1 egg
– 2 tbsp maple syrup
– 1 1/2 tsp baking powder
– 1/2 tsp cinnamon
– 1/2 cup mix-ins like raisins, chocolate chips or nuts


1. Preheat oven to 375°F.
2. In a large bowl, mix together the flour, sugar, baking powder and cinnamon.
3. In a separate bowl, whisk together the egg, oil, maple syrup and vanilla.
4. Stir in the shredded zucchini.
5. Add the wet ingredients to the dry ingredients and fold together until just combined. Be careful not to overmix.
6. Fold in mix-ins.
7. Scoop the batter into lined muffin tins, filling each cup about 3/4 full.
8. Bake for 17-20 minutes until a toothpick comes out clean.
9. Allow to cool before removing from pan.

Nutrition Facts Per Muffin

– Calories: 180
– Fat: 7g
– Carbs: 24g
– Fiber: 3g
– Net carbs: 15g
– Protein: 3g

This recipe relies on flour, sugar and maple syrup as the main ingredients which drives up the carb count. The portion size is also slightly bigger than the low carb version.

Factors That Impact Carb Count

Several factors influence the final carb count in homemade zucchini muffins including:

Amount of Zucchini

Since zucchini is low carb, the more zucchini you can pack into a muffin, the fewer carbs it will have. Most recipes call for 2 to 3 cups grated zucchini per dozen muffins. Maximizing the zucchini content will lower the overall carb count.

Type of Flour

All-purpose flour contains about 20g net carbs per 1/4 cup, significantly more than almond or coconut flour. Using nut-based flours or carbohydrate substitutes greatly reduces muffin carbs.

Sweeteners Used

Granulated sugar and syrups are high glycemic and pack in carbs. Limiting added sweeteners or using alternatives like stevia or erythritol will minimize carbs. Ripe bananas also add natural sweetness.


While chocolate chips, nuts and dried fruit make zucchini muffins more tempting, they hike up carbs fast. Limiting mix-ins to 1/4 cup or less will prevent excessive carb content.

Muffin Size

Jumbo muffins have a higher carb count than mini muffins. Controlling portion sizes or making mini muffins is an easy way to reduce overall carbs.

Batter Consistency

Thinner batter that fills muffin cups to the top results in larger, higher carb muffins after baking. Thicker batter with less rise yields smaller muffins with fewer carbs.

Tips for Reducing Carbs

Here are some tips for lowering the carb content in homemade zucchini muffins:

– Use more zucchini and less of other higher carb ingredients
– Substitute nut flours or carb substitutes for white flour
– Choose low glycemic sweeteners like monk fruit or stevia
– Add nuts, seeds or berries instead of chocolate chips or dried fruit
– Make mini muffins instead of full size
– Don’t overmix the batter to avoid too much rising/spreading
– Check nutrition labels and calculate net carbs when adding packaged ingredients

With some simple substitutions and carb-conscious baking, it’s possible to enjoy delicious zucchini muffins with minimal carbohydrates.

Net Carbs vs Total Carbs

When counting carbs, it’s important to pay attention to net carbs rather than total carbs. Net carbs are calculated by subtracting fiber grams from total carbs, as fiber is not digested and absorbed:

Net Carbs = Total Carbs – Fiber

So for example, if a muffin has 15g total carbs and 5g fiber, the net carbs would be 10g.

The fiber in ingredients like almond and coconut flour reduce net carbs substantially, so these lower carb flours actually contain fewer digestible carbs than all-purpose flour.

Glycemic Index and Blood Sugar

The glycemic index (GI) measures how rapidly foods raise blood sugar. Low GI foods below 55 cause a slower, more gradual blood sugar spike compared to high GI foods above 70.

Despite being lower in carbs than regular flour, almond and coconut flour have a higher GI around the mid 50s. They can still produce a moderate blood sugar spike.

Combining nut flours with fiber-rich zucchini plus low glycemic sweeteners helps lower the overall glycemic load and manage blood sugar response.

Are Zucchini Muffins Keto-Friendly?

To stay in ketosis on a keto diet, daily net carbs need to be restricted to only 20-50g.

A standard zucchini muffin made with nut flours and low carb sweeteners contains around 5g net carbs. This fits easily into a keto eating plan.

However, muffins made with sugar and all-purpose flour are too high in carbs to be keto. Sticking to nut flours and low glycemic sweeteners is best for keto.

Low Carb Zucchini Muffin Alternatives

Here are some other low carb baked goods that can satisfy a muffin craving:

Almond Flour Muffins

Almond flour is naturally low in carbs at only 6g net carbs per 1/4 cup serving. Replacing traditional flour with almond flour cuts muffin carbs substantially.

Coconut Flour Muffins

Similarly, coconut flour contains about 16g net carbs per 1/4 cup, far less than wheat flour. It makes a great base for reduced carb baking.

Chia Seed Muffins

Chia seeds act as a binding agent and add fiber. Subbing chia for 25% of other flours decreases net carbs.

Protein Muffins

Adding protein powder gives a double punch of protein and fewer carbs.

Nutrient-Dense Add-Ins

Mix-ins like flax or hemp seeds, nuts, berries and dark chocolate provide nutrition while keeping carbs low.

Do Zucchini Muffins Have Gluten?

Most traditional zucchini muffin recipes are made with all-purpose flour, which contains gluten. However, there are several gluten-free alternatives:

– Almond flour – Naturally gluten-free and low carb
– Coconut flour – Also gluten-free and lower in carbs
– Oat flour – Gluten-free, but higher in carbs
– Cassava flour – Gluten, grain and nut-free flour substitute
– Quinoa flour – Gluten-free with a light, fluffy texture
– Buckwheat flour – Despite the name, it is gluten-free
– Banana flour – Gluten and grain-free flour with nutrients
– Chia seeds – Absorb liquid to help bind

Checking labels is key, as some oat flour brands can contain traces of gluten due to cross-contamination during processing.


Homemade zucchini muffins can make for a healthy and low carb breakfast or snack option. Most zucchini muffin recipes fall into the range of 5-15g net carbs per muffin. By maximizing the zucchini and minimizing high carb ingredients like sugar and flour, it’s possible to keep the carb count on the lower end. Pairing zucchini with nut flours, low glycemic sweeteners and limiting mix-ins creates delicious guilt-free muffins that can be enjoyed without spiking blood sugar. Experiment to find your perfect carb-conscious zucchini muffin baked treat.

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