Healthy zucchini oatmeal bread recipe (gluten-free!)

You’ll love this healthy zucchini oatmeal bread recipe made with nutritious and simple ingredients like oats and fresh zucchini.

It makes a great breakfast or snack option that the whole family can enjoy. Trust me…I tested this recipe 5 times, and my family was still asking for more!

The best part? You don’t need to squeeze or drain the zucchini. This recipe uses its natural moisture for a delicious texture.

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If you’re new here, welcome! My name is Becca. I am a Registered Dietitian Nutritionist specializing in ADHD nutrition and I also have ADHD myself. I combine evidence-based nutrition knowledge with my own lived experience to help you optimize your health and time in the kitchen.

Why you’ll love this gluten-free zucchini bread

  • Healthy sweet treat. This recipe uses nutrient-dense ingredients to satisfy your sweet tooth.
  • Packed with fiber. The rolled oats and grated zucchini help add 3 grams of fiber per slice.
  • Made without gluten or dairy. You can modify this recipe to be both gluten-free and dairy-free.

Ingredients & Substitutions

Overhead ingredient image that includes the following ingredients: shredded zucchini, oats, oat flour, chocolate chips, eggs, oil, flax, baking powder, baking sode, salt, cinnamon, brown sugar, and milk.

What you’ll need:

  • Oat flour: You can make your own by blending old fashioned oats in a high-powered blender or food processor.
  • Whole oats: Adds texture and fiber. You can use rolled oats, quick cooking oats, or instant oats.
  • Baking soda & baking powder: The perfect combo to give your zucchini bread some height.
  • Sea salt & ground cinnamon: Add for flavor.
  • Brown sugar: Adds natural sweetness. You can also swap for coconut sugar.
  • Coconut oil: Incorporating a fat helps give that bakery-style crumb. You can swap for avocado oil or vegetable oil, however, I really like the coconut flavor in this one.
  • Milk of choice: Works with regular dairy milk, almond milk, oat milk, or soy milk.
  • Ground flax: Adds fiber and helps bind the wet ingredients.
  • Eggs: Binds everything together.
  • Grated zucchini: Use either a box grater or food processor to grate the zucchini. There is no need to squeeze out the excess liquid.
  • Chocolate chips or walnuts: Add either or both for extra flavor and mouth feel. You can also try dark chocolate chips or other chopped nuts.
  • Optional toppings (after it’s baked): melted butter, honey or jam, peanut butter or cashew butter with sliced ripe banana on top.

Keep scrolling for the full recipe with ingredient amounts and detailed instructions!

Equipment Needed

  • 9×5 inch loaf pan
  • Parchment paper
  • 2 large mixing bowls
  • Box grater for shredding zucchini
  • Measuring cups and spoons
  • Mixing spoon or spatula 
  • Wire rack for cooling

Dietary Variations

  • Gluten-Free: Ensure your oats are certified GF.
  • Dairy-Free: Use almond milk or another plant-based milk.
  • Vegetarian / Vegan: This recipe is already plant-based. You can make it vegan by using flax eggs instead of regular eggs.

How to Make this Healthy Zucchini Oatmeal Bread

Step 1: Prepare the oven and loaf pan.

Step 2: Mix together the dry ingredients.

Overhead view of zucchini oatmeal bread dry ingredients being mixed in a white bowl.

Step 3: Mix together the wet ingredients.

Side view of zucchini oatmeal bread wet ingredients in a white bowl. An egg id being cracked into the bowl.

Step 4: Mix the wet ingredients into the dry ingredients.

Step 5: Add the chocolate chips or walnuts. Let the batter sit for 10 minutes.

Mixed gluten-free zucchini bread ingredients.

Step 6: Pour into the prepared pan.

Step 7: Bake.

Step 8: Let zucchini bread cool completely before cutting into individual slices.

Overhead view of zucchini oatmeal bread sliced on a black board.

Storage & Freezing Instructions

  • Let the bread cool completely before slicing.
  • Store leftovers in an airtight container at room temperature for up to 2 days or in the fridge for up to 5 days. Reheat in the microwave for 5 – 10 seconds. Otherwise it can be a bit crumbly (since the recipe doesn’t contain any gluten).
  • For longer storage, wrap slices in plastic wrap or aluminum foil and freeze. Reheat in the microwave for 15 – 30 seconds (take out of the foil first!).

More Recipes You’ll Love

Did you try this recipe? Leave a star rating & review below!

Overhead view of zucchini oatmeal bread sliced with butter on one piece.

Gluten-Free Zucchini Oatmeal Bread

Make this healthy zucchini oatmeal bread recipe with simple ingredients for breakfast or snacks that the whole family can enjoy.
5 from 1 vote
Print Pin
Course: Breakfast, Snack
Cuisine: American
Prep Time: 10 minutes
Cook Time: 1 hour
Author: Becca Harris, RD, MHSc

Equipment

  • 1 9×5 inch loaf pan
  • Parchment paper
  • 2 large mixing bowls
  • 1 Box grater
  • measuring cups and spoons
  • 1 Spatula 
  • 1 Wire rack

Ingredients

  • 2 cups oat flour
  • ½ cup whole oats
  • 1 tsp baking soda
  • ½ tsp baking powder
  • ¼ tsp salt
  • 1 tsp cinnamon
  • ½ cup brown sugar or coconut sugar
  • cup melted coconut oil
  • ¼ cup milk of choice
  • 1 tbsp ground flax
  • 2 large eggs
  • 1 ½ cups grated zucchini 1-2 zucchini; no draining, loosely packed
  • ½ cup chocolate chips or chopped walnuts

Instructions

  • Preheat the oven to 350°F (175°C). Line a 9×5 loaf pan with parchment paper and set aside.
  • In a large bowl, whisk together 2 cups of oat flour, ½ cup oats, 1 tsp baking soda, ½ tsp baking powder, ¼ tsp salt, 1 tsp cinnamon and ½ cup sugar.
  • In a separate medium bowl, mix together ⅓ cup melted coconut oil, ¼ cup milk, 1 tbsp flax, 2 eggs, and 1 ½ cups grated zucchini.
  • Pour the wet ingredients mixture onto the bowl with the dry ingredients. Mix until smooth.
  • Fold in ½ cup chocolate chips or walnuts.
  • Let the batter sit for 10 minutes.
  • Pour into the prepared pan.
  • Bake for 50–60 minutes, until a toothpick comes out mostly clean.
  • Let the bread cool completely in the pan before slicing.
  • Enjoy!

Notes

Let the bread cool completely before slicing.
Store leftovers in an airtight container at room temperature for up to 2 days or in the fridge for up to 5 days. Reheat in the microwave for 5 – 10 seconds. Otherwise it can be a bit crumbly (since the recipe doesn’t contain gluten).
For longer storage, wrap slices in plastic wrap or aluminum foil and freeze. Reheat in the microwave for 15 – 30 seconds (take out of the foil first!).

Join the Conversation

  1. 5 stars
    This recipe has been tested A LOT! In my opinion, the flavour is perfection. Note that if you don’t let it cool completely before cutting, it can fall apart a bit. This is bc it doesn’t contain all purpose flour/gluten to hold it together. I hope you love it as much as my family does!

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