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Meal Type ยป Gluten Free Cakes & Cupcakes ยป Chocolate Chip Oat Flour Cake

Chocolate Chip Oat Flour Cake

Claire Cary

By

Claire Cary

5 from 10 votes
February 24, 2025
Jump to Recipe

This chocolate chip oat flour cake is light, fluffy, naturally gluten free and can easily be made dairy free and refined sugar free. It’s the perfect way to satisfy your sweet tooth and is so easy to make.

oat flour cake with chocolate frosting on top

Why you’ll love this recipe & key ingredients

Oat flour is one of my favorite gluten free flours to bake with because it’s so cheap and creates perfectly fluffy desserts.

This gluten free oat flour cake has a delicious vanilla flavor, plenty of chocolate chips and is topped with a simple chocolate frosting. It’s the perfect healthier dessert when you don’t want a sugar overload but still want something sweet and indulgent.

In most of my gluten free cake recipes, I stick with GF all purpose baking flour and/or almond flour. However, oat flour is good for cakes because it’s affordable and creates deliciously fluffy cakes.

Oats, and therefore oat flour, are naturally gluten free. However, they can be easily contaminated during processing, so make sure you use a certified gluten free oat flour if baking for someone with celiac disease. Same if you make my oat flour banana bread!

To make oat flour cake, you will need oat flour, of course, plus eggs, greek yogurt, honey, sugar, butter and some baking powder to help the cake rise. If you love this recipe, try my banana bread donuts, chocolate banana bread or oat flour brownies next.

ingredients in bowls with labels

How to make oat flour cake

Preheat the oven to 350 Fahrenheit. Line an 8×8 inch baking pan with parchment paper and set aside.

Melt the butter and add all wet ingredients to a mixing bowl.

Mix with an electric mixer until well combined, about 20 seconds.

wet ingredients in a bowl

Add in the dry ingredients, aside from the chocolate chips, making sure to spoon and level the flour. Mix until smooth with the electric mixer, then fold in the chocolate chips.

Transfer to your prepared pan and bake for 35-42 minutes or until a toothpick comes out clean.

batter mixing in a bowl

Remove from the oven and let cool in the pan for 15 minutes, then lift out onto a wire rack to finish cooling.

Meanwhile, beat the softened butter for about 1 minute. Add in the cocoa powder, followed by the powdered sugar and vanilla. Add in the milk until it reaches your desired consistency.

Once the cake has cooled, add the frosting on top and enjoy! Try my gluten free oreo cake or gluten free sheet cake next!

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cake batter in a pan before baking

How to store and freeze

Because this oat flour cake is so moist from the greek yogurt, eggs and butter, it stores really well without drying out! Once it’s cooled and frosted, I suggest slicing it into squares and storing either in a container with a lid, or on a plate with foil.

If you want to prep this cake in advance, you can bake it, let it cool completely, then wrap tightly in plastic wrap and freeze until you’re ready to frost and serve.

overhead shot of the oat flour cake with chocolate frosting

Cake pan sizes

I baked this cake in an 8×8 square pan, which I recommend. This classifies it as a “snack cake” and makes it perfect for small get togethers or parties. You can instead bake it in an 8 inch round cake pan, or double the recipe to make a traditional layer cake.

This recipe will also work as oat flour cupcakes. Follow all of the same instructions, but bake in a lined cupcake tray for about 18 minutes or until a toothpick comes out clean.

Make it dairy free!

You can easily make this oat flour cake dairy free by using vegan butter in both the cake and frosting, and dairy free milk in the cake and frosting.

I do not recommend using an egg replacer for this cake, as it can result in a dense and gummy cake.

oat flour cake on a plate with a fork with a bite

Can I replace all purpose flour with oat flour?

Generally, I don’t recommend swapping out all purpose flour for any kind of gluten free flour. Instead, it’s best to follow a recipe that already calls for oat flour or whatever gluten free flour you want to bake with.

Substituting oat flour for cake flour or regular all purpose flour can really change both the taste and texture in a recipe, especially a cake.

Can I use different sugar?

This cake uses a mix of honey and white granulated sugar to sweeten. Instead of honey, you can swap for maple syrup.

I used white sugar, but you can use coconut sugar for a refined sugar free option. Keep in mind the color of the cake will be a bit darker than pictured!

oat flour cake with a bite taken out to show texture

Try these gluten free cake recipes next!

  • Gluten Free Lemon Cake
  • Gluten Free Red Velvet Cake
  • Vegan Gluten Free Chocolate Cake
  • Birthday Cake
  • Honey Soaked Almond Cake

If you want more recipes straight to your inbox, be sure to subscribe to my email list. Don’t forget to leave a comment and rating if you enjoy this recipe!

5 from 10 votes

Chocolate Chip Oat Flour Cake

by: claire cary

This chocolate chip oat flour cake is light, fluffy, naturally gluten free and can easily be made refined sugar free. It’s the perfect healthy way to satisfy your sweet tooth and is so easy to make.
/ /
Prep: 10 minutes mins
Cook: 28 minutes mins
Total: 38 minutes mins
12

Ingredients

Wet

  • ½ cup plain greek yogurt
  • ¼ cup milk
  • 2 eggs
  • ¼ cup unsalted butter melted
  • 3 tablespoons honey
  • ¾ cup white sugar
  • 2 teaspoons vanilla extract

Dry

  • 2 cups oat flour
  • 2 teaspoons tapioca starch
  • 2 teaspoons baking powder
  • ½ teaspoon salt
  • ¾ cup chocolate chips

Frosting

  • ½ cup softened unsalted butter
  • ⅓ cup cocoa powder
  • 1 teaspoon vanilla
  • 1 ½ cups powdered sugar
  • 2-4 tablespoons milk or cream
US Customary – Metric

Instructions

  • Preheat the oven to 350 Fahrenheit.
  • Line an 8×8 inch baking pan with parchment paper and set aside.
  • Melt the butter and add all wet ingredients to a mixing bowl.
  • Mix with an electric mixer until well combined, about 20 seconds.
  • Add in the dry ingredients, aside from the chocolate chips, making sure to spoon and level the flour.
  • Mix until smooth with the electric mixer, then fold in the chocolate chips.
  • Transfer to your prepared pan and bake for 35-42 minutes or until a toothpick comes out clean.
  • Remove from the oven and let cool in the pan for 15 minutes, then lift out onto a wire rack to finish cooling.
  • Meanwhile, beat the softened butter for about 1 minute. Add in the cocoa powder, followed by the powdered sugar and vanilla. Add in the milk until it reaches your desired consistency.
  • Once the cake has cooled, add the frosting on top and enjoy! You can slice between 9-16 slices, depending on your preference.

Notes

Make this dairy free by using dairy free cream cheese and butter. 
You can use any granulated sugar in the cake, white brown or coconut all work, but the color of the cake will vary slightly. 
Serving: 1slice, with frosting / Calories: 271kcal / Carbohydrates: 42g / Protein: 4g / Fat: 10g / Fiber: 2g / Sugar: 26g

Did you make this?

Mention @eatwithclarity or tag #eatwithclarity!

Related posts:

  1. Chocolate Protein Cake
  2. Gluten Free Chocolate Cupcakes
  3. Gluten Free Banana Cake
  4. Gluten Free Cookie Cake
5 from 10 votes (5 ratings without comment)

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Comments

  1. Madhumithaa
    August 17, 2025

    Hi,
    Lovely recipe, will this cake absorb well? I want to make a tiramisu cake and wanted to check if the sponge soaks and absorbs well?5 stars

    Reply
    1. Claire Cary
      August 19, 2025

      I have not tested it like that, but it should! Please let me know if you try!

      Reply
  2. Faith
    January 26, 2023

    I’m not a huge fan of banana , is there maybe a substitution that I could use in its place?5 stars

    Reply
    1. Claire Cary
      January 27, 2023

      You can try apple sauce, but it is more wet than banana so I can’t guarantee the result!

      Reply
    2. Angela
      January 29, 2023

      Can we add peanut butter?5 stars

      Reply
      1. Claire Cary
        January 30, 2023

        I don’t recommend that as it will change the proportion of wet/dry ingredients. You can try a peanut butter frosting if you want that flavor profile!

        Reply
  3. Heather Conrad
    January 15, 2023

    I canโ€™t wait to try the dairy free version of this recipe! I donโ€™t see chocolate chips on the ingredients list. How much did you include? I hope I didnโ€™t just miss it!5 stars

    Reply
    1. Claire Cary
      January 16, 2023

      Thanks for pointing that out, I forgot to include it but it’s there now!

      Reply
  4. Valerie
    January 15, 2023

    How much chocolate chips? Not listed in dry ingredients.5 stars

    Reply
    1. Claire Cary
      January 16, 2023

      Sorry about that, it is there now!

      Reply
claire cary

Welcome,
I’m Claire

Eat With Clarity is a place for gluten free recipes that are just as good as the real thing. With plenty of vegan, vegetarian and paleo options, there is something here for everyone!


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