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Gluten-Free Zucchini Banana Bread (Paleo)

Sep 7, 2024 · Leave a Comment

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Gluten-Free Zucchini Banana Bread in a loaf pan and 2 slices laying on a platter.
Gluten-Free Zucchini Banana Bread in a loaf pan and 2 slices laying on a platter.

This Gluten-Free Zucchini Banana Bread is a healthy, wholesome snack. It’s a fluffy, moist loaf full of banana but not too sweet. And it’s a great way to use up zucchini but you can’t really taste it!

Plus it’s also grain-free, dairy-free, nut-free, refined sugar-free and Paleo.

Paleo Banana Zucchini Bread in a metal loaf pan on a cooling rack next to bananas and zucchini.

(As an Amazon Associate, I earn from qualifying purchases. Some of the links on this page may be affiliate links. If you purchase a product through an affiliate link, I’ll automatically receive a small commission at no additional cost to you.)

Why this recipe works

Banana bread is great. Zucchini bread is great. But why choose between them? You can combine them for the best of both worlds.

But most recipes contain flour, butter, white sugar and other ingredients that some of us can’t tolerate or prefer to avoid. So I wanted to create a gluten-free, grain-free and dairy-free version that’s just as good as the regular version.

So instead of regular flour, this recipe uses coconut flour and arrowroot. Combining these two ingredients creates a light, fluffy texture that’s not too dry or too moist. Most Paleo recipes use almond flour, but by using coconut flour, this recipe is nut-free (and more affordable). And you don’t taste the coconut!

And this recipe doesn’t need any kind of butter or oil. The eggs provide enough moisture and richness. Plus a bit of honey and the mashed bananas provide enough sweetness without having to add a ton of sugar.

So this gluten-free zucchini banana bread (or is a gluten-free banana zucchini bread?) is great for those with allergies or intolerances but good enough that everyone can enjoy it.

A loaf of healthy zucchini banana bread and 2 slices on a platter next to bananas and zucchini.

What you need

Ingredients:

  • 2-3 large zucchini
  • 1 cup coconut flour – Provides great texture without making the bread taste like coconut.
  • 1 cup arrowroot flour/starch – Combining this with the coconut flour creates a fluffy texture.
  • 2 teaspoons ground cinnamon – This might sound like a lot but the flavor isn’t too strong.
  • 1 teaspoon baking soda – This reacts with the lemon juice to give the bread some lift.
  • 1 teaspoon fine sea salt – Seems like a lot but it’s a big loaf!
  • 3/4 teaspoon ground cardamom – This goes great with bananas, zucchini and cinnamon but you can leave it out if necessary.
  • 2-3 large bananas, mostly/all black – If your bananas aren’t very ripe, you can put them (still in the peel) on a foil or parchment-lined baking sheet and bake at 300° F for 10-20 minutes, then let cool completely.
  • 6 eggs, room temperature – This seems like a lot but coconut flour is VERY absorbent. And don’t worry – the bread doesn’t taste eggy.
  • ½ cup honey
  • 2 teaspoons lemon juice – This reacts with the baking soda to give the bread some lift.
  • 2 teaspoons vanilla extract
  • avocado oil spray or olive oil spray
  • Optional add-ins:
    • ½ cup chopped nuts such as pecans, walnuts or pistachios
    • ½ cup dried fruit such as raisins, golden raisins, dried cherries or dried cranberries
    • ½ cup chocolate chips
    • ¼ cup cacao nibs
    • 1 tablespoon fresh minced ginger or 1 teaspoons ground ginger
    • zest of a lemon
    • zest of ½ an orange

Equipment:

  • a cutting board
  • a chef’s knife
  • a box grater
  • cheesecloth, a thin kitchen towel or paper towels
  • a medium mixing bowl
  • a large mixing bowl
  • measuring spoons
  • measuring cups
  • a whisk
  • a spatula (the kind for stirring, not flipping)
  • a 2 lb./9×5″ loaf pan
  • parchment paper
  • a cooling rack (optional)

How to make Gluten-Free Zucchini Banana Bread

Heat the oven to 350° F.

Line the loaf pan with parchment paper along the long sides, leaving some left hanging over the edge of the pan to easily remove the bread later. Spray the short sides of the pan with avocado or olive oil spray.

Trim off the ends of the zucchini. Grate the zucchini using the small holes of a box grater. Place the grated zucchini in the middle of a couple pieces of cheesecloth, a thin kitchen towel or 3-4 layers of paper towels. Wrap up the zucchini into a bundle and squeeze it really hard over the sink. When you think you’ve gotten most of the water out, keep squeezing to really make sure. Measure out 1 cup of packed grated zucchini and set aside (save any unused zucchini for another use).

In a large bowl, whisk the coconut flour, arrowroot, cinnamon, baking soda, salt and cardamom.

In a medium bowl, mash the bananas. Measure out 1¼ cups (save any extra for another use). To the 1¼ cups of banana, add the eggs, honey, lemon juice and vanilla. Whisk until thoroughly combined (it will be lumpy from the banana).

Add the wet ingredients to the dry ingredients and stir until thoroughly combined. Stir in the zucchini, breaking it up with the spatula and making sure it gets evenly distributed throughout the batter. The batter will be thick but pourable.

Pour and scrape the batter into the prepared loaf pan. Bake for 75-80 minutes, until the top is a dark golden brown and a toothpick comes out clean or only with crumbs attached, no raw batter.

Let cool completely (preferably on a cooling rack), then slice and serve.

Grain-free zucchini banana bread on a platter and one slice with a pat of melting butter on a small plate.

Frequently Asked Questions (FAQ)

Can I make substitutions?

You canNOT substitute anything for the coconut flour. It is a very unique ingredient and acts unlike anything else in a baking recipe.

You can play around with the spices: add more or less cinnamon or cardamom, add ground ginger, etc.

You can use apple cider vinegar or orange juice (you won’t taste them) in place of the lemon juice.

See the ingredient list above or below for optional add-in ideas (nuts, seeds, fruit, etc.).

Can I make this Gluten-Free Zucchini Banana Bread in advance?

Yes. Once it’s completely cool, it can be stored in the fridge for up to 5 days.

Can I freeze this Gluten-Free Zucchini Bread?

Yep! Wrap the whole loaf or individual slices in plastic wrap, then place in a freezer-safe container or baggie. Freeze for up to 3 months. Thaw overnight in the fridge.

What can I do with leftover Gluten-Free Zucchini Bread?

While it’s great straight out of the fridge, one of my favorite ways to enjoy it is this: Melt about a tablespoon of ghee in a small skillet over medium heat. Add a slice of the bread and let it caramelize for about 3-4 minutes. Flip and let the other side get nice and golden, about another 3-4 minutes. Sprinkle on a bit of flaky sea salt (optional) and enjoy! You get a sweet, crunchy crust with the tender bread inside.

Is this also a Paleo Zucchini Banana Bread?

Yep. The recipe as written contains no gluten, grains, dairy, refined sugar or legumes, making it appropriate for a Paleo lifestyle.

Other recipes you might like:

  1. Double Chocolate Zucchini Bread (Paleo, gluten-free)
  2. Coconut Flour Banana Muffins (Paleo, gluten-free)
  3. Almond Flour Banana Bread (Paleo, gluten-free)
  4. Paleo Gingerbread Loaf (gluten-free)
  5. Chocolate Chip Zucchini Muffins (Paleo, gluten-free)
  6. Coconut Flour Pumpkin Bread (Paleo, gluten-free)
A loaf of healthy zucchini banana bread and 2 slices on a platter next to bananas and zucchini.

Gluten-Free Zucchini Banana Bread (Paleo)

Don Baiocchi
This Gluten-Free Zucchini Banana Bread is a healthy, wholesome treat. A fluffy, moist loaf of banana bread is lightly spiced and not too sweet. And even though you add zucchini you can't taste it! Plus this is grain-free, dairy-free, refined sugar-free, nut-free and Paleo.
No ratings yet
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 1 hour hr 20 minutes mins
cooling time 1 hour hr 30 minutes mins
Total Time 3 hours hrs 10 minutes mins
Course Breakfast, Snack
Cuisine American
Servings 10 slices
Calories 215 kcal

Ingredients
  

  • avocado oil spray or olive oil spray
  • 2-3 large zucchini
  • 1 cup coconut flour
  • 1 cup arrowroot flour/starch
  • 2 teaspoons ground cinnamon
  • 1 teaspoon baking soda
  • 1 teaspoon fine sea salt
  • ¾ teaspoon ground cardamom
  • 2-3 large bananas, mostly/all black see notes
  • 6 large eggs room temperature
  • ½ cup honey
  • 2 teaspoons lemon juice
  • 2 teaspoons vanilla extract
  • Optional add-ins: see notes below.

Instructions
 

  • Heat the oven to 350° F.
  • Line a 2-pound/9×5" loaf pan with parchment paper along the long sides, leaving some left hanging over the edge of the pan to easily remove the bread later. Spray the short sides of the pan with avocado oil spray.
  • Trim off the ends of the zucchini. Grate the zucchini using the small holes of a box grater. Place the grated zucchini in the middle of a couple pieces of cheesecloth, a thin kitchen towel or 3-4 layers of paper towels. Wrap up the zucchini into a bundle and squeeze it really hard over the sink. When you think you've gotten most of the water out, keep squeezing to really make sure. Measure out 1 cup of packed grated zucchini and set aside (save any unused zucchini for another use).
  • In a large bowl, whisk the coconut flour, arrowroot, cinnamon, baking soda, salt and cardamom.
  • In a medium bowl, mash the bananas. Measure out 1¼ cups (save any extra for another use). To the 1¼ cups of banana, add the eggs, honey, lemon juice and vanilla. Whisk until thoroughly combined (it will be lumpy from the banana).
  • Add the wet ingredients to the dry ingredients and stir until thoroughly combined. Stir in the zucchini, breaking it up with the spatula and making sure it gets evenly distributed throughout the batter. The batter will be thick but pourable.
  • Pour and scrape the batter into the prepared loaf pan. Bake for 75-80 minutes, until the top is a dark golden brown and a toothpick comes out clean or only with crumbs attached, no raw batter.
  • Let cool completely (preferably on a cooling rack), then slice and serve.

Notes

If your bananas aren’t very ripe, you can put them (still in the peel) on a foil or parchment-lined baking sheet and bake at 300° F for 10-20 minutes, then let cool completely.
Substitutions
You canNOT substitute anything for the coconut flour. It is a very unique ingredient and acts unlike anything else in a baking recipe.
You can play around with the spices: add more or less cinnamon or cardamom, add ground ginger, etc.
You can use apple cider vinegar or orange juice (you won’t taste them) in place of the lemon juice.
Optional add-ins:
    • ½ cup chopped nuts such as pecans, walnuts or pistachios
    • ½ cup dried fruit such as raisins, golden raisins, dried cherries or dried cranberries
    • ½ cup chocolate chips
    • ¼ cup cacao nibs
    • 1 tablespoon fresh minced ginger or 1 teaspoons ground ginger
    • zest of a lemon
    • zest of ½ an orange
Make ahead
Once it’s completely cool, the bread can be stored in the fridge for up to 5 days.
Freezer info
Wrap the whole loaf or individual slices in plastic wrap, then place in a freezer-safe container or baggie. Freeze for up to 3 months. Thaw overnight in the fridge.

Nutrition

Calories: 215kcalCarbohydrates: 40gProtein: 7gFat: 4gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gTrans Fat: 0.01gCholesterol: 98mgSodium: 392mgPotassium: 486mgFiber: 6gSugar: 20gVitamin A: 237IUVitamin C: 10mgCalcium: 36mgIron: 2mg
Keyword gluten free zucchini banana bread, healthy zucchini banana bread, paleo zucchini banana bread
Tried this recipe?Mention @paleoglutenfreeguy or tag #paleoglutenfreeguy!

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Well hello there! I’m Don, the creator behind Paleo Gluten Free Guy. I share fun, vibrant recipes for good health and pure enjoyment. All of my recipes are gluten-free and the majority of them are also Paleo, meaning they’re free of grains, dairy, refined sugar and legumes.

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