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Home » Recipes » Desserts

Oat Flour Chocolate Cookies

Last Modified: Mar 15, 2024. Originally Published: Nov 23, 2022 by Janessa.

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Chewy with fudgy centres and a rich flavor, these oat flour chocolate cookies are so satisfying. Naturally gluten free and made in one bowl, these irresistible cookies are the perfect treat to indulge your chocolate craving.

Jump to:
  • The Ingredients
  • The Method
  • Storage and Make Ahead
  • Make it Your Own
  • Serving Ideas
  • And if you liked this recipe...
  • Recipe Card
  • Comments
Chocolate cookies scattered out on a countertop.

Chocolate lovers, this oat flour cookie is for you!

With fudgy centres and chewy edges, these certainly give Oat Flour Brownies a run for their money.

And while Oat Flour Chocolate Chip Cookies are delicious, sometimes you need more than just chocolate chips.

With a deep cocoa flavour rivalled only by Lava Cakes, and the ease of one bowl Peanut Butter Cookies, this decadent oat flour chocolate cookie might be the best way to satisfy your most ravenous sweet tooth.

The Ingredients

Ingredients for chocolate cookies made with oat flour.
  • Oat Flour- For most consistent results, I highly recommend using boughten over homemade. Ensure that you are using certified gluten free oat flour if you need these cookies to be gluten free.
  • Cocoa Powder- Natural, dutch process or cacao powder all will work.
  • Unsalted Butter- Softened to room temperature. You can use salted butter instead but reduce the salt added to ¼ tsp.
  • White Sugar
  • Egg
  • Vanilla Extract
  • Baking Soda
  • Espresso Powder- Optional but makes the chocolate flavour even more rich.
  • Sea Salt- Reduce to ¼ teaspoon if using salted butter.

The Method

1. Mix dough. Cream together the sugar and butter. Add the egg and vanilla. Mix in the baking soda, espresso powder and salt. Add the cocoa and finally the oat flour and mix until well combined. *To measure oat flour, I highly recommend using a scale and the measurements under the "metric" toggle of the recipe card. If using a measuring cup, lightly pack the flour into it. (See this post about baking cookies with oat flour for more details on measuring oat flour.)

Chocolate cookie dough being mixed with a hand mixer in a glass bowl.

2. Shape. Scoop 1.5 tablespoon of dough per cookie, roll into a ball and place spaced out on a prepared cookie sheet. Use the back of a spoon or your hand to squish down slightly to a height of approximately ½ inch (1 cm).

Chocolate cookie dough scooped into a ball.

3. Bake. Bake at 350 F for 8-10 minutes until the edges are just set but the centres are still soft.

Cookie dough balls placed on a baking sheet and squished down with the back of a spoon.

4. Cool. Allow cookies to sit on the baking sheet for 5 minutes and then to move a wire rack to cool completely.

Baked cookies cooling on a wire rack.

Storage and Make Ahead

Make Ahead: Chocolate oat flour cookie dough can be prepared up to 3 days in advance and kept covered in the refrigerator. Optionally, you can shape the dough into balls before refrigerating or wait for when you are ready to bake. Before baking, allow the dough to come to room temperature for 30 minutes.

To Freeze Cookie Dough: Shape the cookie dough into balls and place in a single layer on a large plate or cookie sheet. Freeze completely before packaging into an airtight container or zip top bag. When ready to bake, remove the desired amount and place on a prepared cookie sheet to thaw for 30-45 minutes. Squish down as per recipe directions and resume with baking.

To Store: Cool cookies completely and then store in an airtight container at room temperature for up to 4 days or freeze for up to 3 months.

Hand holding a chocolate oat flour cookie.

Make it Your Own

This oat flour cookie dough works wonderfully as a base for all sorts of chocolate cookie creations. Here are some ideas for ways that you can change it up:

*Fold in add ins after the oat flour has been fully mixed in.

  • Double Chocolate- Add 1 cup of chocolate chips or chunks
  • Inside Out Chocolate Chip- Add 1 cup of white chocolate chips
  • Chocolate Peppermint- Add 1 teaspoon of peppermint extract at the same time as the vanilla. ½ cup each of crumbled candy canes and white chocolate chips would take these to the next level.
  • Crinkle Cookies- Roll the dough balls in ¼ cup of granulated sugar and then 1 cup of icing sugar.
  • Chocolate Dipped- Melt 8 oz of chocolate and dip each cooled cookie in halfway. Then set dipped cookies on a silicone lined cookie sheet and refrigerate for 30-60 minutes to allow it to harden.
  • Or try adding up to 1 cup of:
    • Butterscotch Chips
    • Toffee or Skor Bits
    • Chopped nuts such as almonds, peanuts or hazelnuts
    • M and Ms
    • Peanut Butter Chips

Serving Ideas

Try dipping these decadent cookies in a glass of milk or enjoy them warm with ice cream.

These are also great for packing along as a treat in your lunch box or for sharing at a potluck.

Stack of chocolate cookies.
Can I use homemade oat flour to make these cookies?

I highly recommend using boughten oat flour for the most consistent results when making these cookies. The cookies will still taste delicious but may not achieve the same texture with homemade.

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And if you liked this recipe...

...you might also like:

  • Half and Half Cookies
  • Oat Flour Snickerdoodles
  • Oat Flour Gingersnaps
  • Oat Flour Oatmeal Cookies

Recipe Card

Stack of oat flour chocolate cookies.

Oat Flour Chocolate Cookies

Chewy with fudgy centres and a rich flavour, these oat flour chocolate cookies are an irresistible treat to satisfy your chocolate cravings.
5 from 47 votes
Print Pin Rate
Prep Time: 15 minutes minutes
Cook Time: 10 minutes minutes
Cooling Time: 5 minutes minutes
Total Time: 30 minutes minutes
Servings: 18
Calories: 119kcal

Ingredients

  • ½ cup unsalted butter softened to room temperature
  • ⅔ cup white sugar
  • 1 egg
  • 1 teaspoon vanilla
  • 1 teaspoon baking soda
  • ½ teaspoon fine sea salt
  • ¼ teaspoon espresso powder optional
  • ⅔ cup cocoa powder
  • 1 and ¼ cup oat flour lightly packed and levelled, certified GF if needed
US Customary - Metric
(Prevent your screen from going dark)

Instructions

  • Preheat the oven to 350 °F. Line two large cookie sheets with silicone mats.
  • Cream together sugar and butter in a large bowl. Add the egg and vanilla and mix. Add the baking soda, espresso powder and salt and combine. Mix in the cocoa and finally the oat flour until fully incorporated.
  • Scoop dough into 1.5 tablespoon portions and place on the prepared baking sheets, spaced apart about 1.5-2 inches (3-4 cm). Press down with the back of a spoon to ½ inch/1 cm height.
  • Bake for 8-10 minutes until the edges are set but the centres are still soft.
  • Let the cookies cool on the baking sheet for 5 minutes before moving to a wire rack to cool completely.

Notes

Leftovers
Once completely cooled, store leftover cookies in an airtight container at room temperature for up to 4 days or freeze for up to 3 months.
 
And if you loved these oat flour cookies, subscribe to my newsletter here and receive my exclusive recipe for White Chocolate Macadamia Nut Cookies with Oat Flour!

Nutrition

Calories: 119kcal | Carbohydrates: 15g | Protein: 2g | Fat: 7g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 23mg | Sodium: 139mg | Potassium: 85mg | Fiber: 2g | Sugar: 8g | Vitamin A: 171IU | Calcium: 12mg | Iron: 1mg
Did you make this recipe?Let me know what you thought in the comments below!

Want to learn more about oat flour? Check out these resources!

  • The Ultimate Guide to Oat Flour
  • Oat Flour vs. Wheat Flour
  • The Best Oat Flour Recipes
  • Oat Flour Cookie Tips
  • Oat Flour Muffin Tips
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    Half and Half Cookies (Brookies)
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    Chunky Chocolate Granola
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Comments

    5 from 47 votes (37 ratings without comment)

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  1. Amanda Wren-Grimwood says

    November 23, 2022 at 9:02 am

    5 stars
    Such a delicious cookie recipe and I really liked the espresso kick too.

    Reply
    • Janessa says

      November 23, 2022 at 11:14 am

      I'm glad you liked these cookies, Amanda!

      Reply
  2. Stephanie says

    November 23, 2022 at 9:09 am

    5 stars
    I am supposed to avoid gluten, but it's really hard during the holidays when you visit others! This looks like the perfect recipe to bring with me!

    Reply
    • Janessa says

      November 23, 2022 at 11:14 am

      I hope you love them, Stephanie!

      Reply
  3. Nikki says

    November 23, 2022 at 9:37 am

    5 stars
    Chocolatey, fudgy goodness right here! My family will devour a batch of these in no time.

    Reply
    • Janessa says

      November 23, 2022 at 11:15 am

      Thank you for your kind review, Nikki!

      Reply
  4. Kali Alexandria says

    November 23, 2022 at 9:41 am

    5 stars
    The perfect chocolate cookies! My hubby loves them!

    Reply
    • Janessa says

      November 23, 2022 at 11:15 am

      I'm glad you enjoy this cookie recipe, Kali!

      Reply
  5. Artney says

    November 23, 2022 at 9:42 am

    5 stars
    I bought some oat flour recently and wasn't sure what to make with it. These chocolate cookies will be perfect! They look absolutely delicous.

    Reply
    • Janessa says

      November 23, 2022 at 11:15 am

      I hope you love them, Artney!

      Reply
  6. maren says

    November 23, 2022 at 12:18 pm

    5 stars
    These oat flour cookies look delicious!

    Reply
    • Janessa says

      November 23, 2022 at 1:13 pm

      Thank you for your kind comment Maren!

      Reply
  7. Marie says

    April 28, 2023 at 5:20 pm

    5 stars
    These are my favorite cookies! So fudgy and delicious. And I love that you can't tell they are made without regular flour.

    Reply
    • Janessa says

      April 28, 2023 at 5:21 pm

      I'm glad you liked these cookies, Tori. Thank you for your kind review!

      Reply
    • Donna says

      July 17, 2023 at 8:09 pm

      Thinking I'll give these a try with an egg replacer ("No egg" probably) due to my daughters anaphylactic allergy to egg & use a vegan butter (just to help my cholesterol level). Guessing they should work?! I use GF oat flour often.

      Reply
      • Janessa says

        July 18, 2023 at 2:58 pm

        I haven't personally tried it with these swaps but I think it should work! Good luck and let me know how it goes with these substitutions!

        Reply
  8. Carole Milne says

    April 29, 2023 at 11:25 am

    Hi. Can I substitute sugar with Stevia? Also substitute expresso with cocoa? Thanks. Carole

    Reply
    • Janessa says

      April 29, 2023 at 9:05 pm

      Hi Carole! I haven't tried making these with stevia so I can't be sure on how that would work- let me know if you do and how it goes. The espresso powder can be omitted if you prefer.

      Reply
  9. Amy says

    March 19, 2024 at 7:35 pm

    5 stars
    I am relatively new to being gluten free (3 months) and have been desperately searching for a baked good that satisfies my sweet tooth. I have tried numerous cookie recipes, and all have left me disappointed EXCEPT THIS ONE!! These cookies are so rich and chocolatey and I could devour a whole batch in 1 night! I am also dairy and egg free, so I use a plant-based butter and flax egg. And they still turn out AMAZING. Thank you so much for this recipe, I have already made them twice and will make them many more times. I’m so happy to have an easy dessert recipe that I love!

    Reply
    • Janessa says

      March 19, 2024 at 7:47 pm

      Yay, I'm so glad you liked this recipe, Amy! Thank you for your kind review!!

      Reply
      • Jane says

        October 10, 2024 at 1:59 pm

        5 stars
        This is a nice cake-like chocolate cookie that’s not too sweet; I subbed in 4 oz unsweetened applesauce
        for half,the butter due to low-fat diet; it worked fine!
        Thanks for a great recipe.

        Reply
        • Janessa says

          October 10, 2024 at 4:51 pm

          I'm glad you liked this recipe, Jane! Thank you for your kind review and substitution notes.

          Reply
  10. A. Green says

    January 31, 2025 at 5:47 pm

    What can you use instead of egg? I am mildly allergic to eggs and what to make these cookies

    Reply
    • Janessa says

      January 31, 2025 at 7:23 pm

      Hi A! I have not tested these without egg but you could try using 1/4 cup of applesauce or a flax egg (mix 1 tbsp of ground flax seed with 3 tbsp water and let it gel). The cookies might turn out slightly crumblier so let them cool completely on the baking sheet to set as well. Good luck- let me know how they turn out!

      Reply
  11. Brenda Boyd says

    February 20, 2025 at 6:47 pm

    5 stars
    I made the Oat Flour Chocolate Cookie just as it was written and it was incredible! I questioned 2/3 cup of chocolate (Valhrona Dutch process Chocolate), the cookies turned out amazing! I will try some of your other Oatmeal flour cookies! I am in the US and I used Bob’s Redmill Oatmeal Flour!

    Reply
    • Janessa says

      February 20, 2025 at 9:40 pm

      I'm so glad you liked this recipe, Brenda! Thank you for your kind review!

      Reply
Janessa

Hi, I'm Janessa and I'm passionate about sharing recipes that are made with wholesome ingredients, are quick and easy and most importantly, delicious!

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