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    Home / Recipes / Brownies & Bars

    Oreo Brownies

    Feb 25, 2021 · Updated: Nov 12, 2023 by Dee Dine · Affliate links disclosure.

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    Oreo brownies with a shiny crackle top are easy to make in half an hour, have a deep chocolate flavor, and are naturally dairy-free and gluten-free.

    front slice view of oreo brownies

    If you love Oreos, you'll love these Oreo brownies with a delicious fudge texture, a crunchy cookie layer, and a shiny brownie top. The nutritional value is higher than normal for a brownie, with protein and fiber thanks to oat flour and flax seed eggs.

    I love brownies, especially when they include healthier ingredients such as my Cauliflower Brownies and my Pumpkin Brownies. And these are exceptionally healthier thanks to the combination of oat flour and flax seed.

    Jump to:
    • Why You'll Love This Recipe
    • Ingredients You'll Need
    • Substitutions
    • How to Make
    • Recipe Tips
    • Other Brownie Recipes
    • 📖 Recipe
    Oreo Cookie Brownies

    Why You'll Love This Recipe

    Healthier brownies : These brownies have 4 grams of protein and 3 grams of fiber. This is largely because of the oat flour and  flax seed eggs. Oat flour is high in healthy carbs, those known to lower cholesterol, and also rich in vitamins such as calcium, iron, zinc and magnesium. [source]

    Shiny brownie top : It's easy to achieve, just melt the sugar in hot water in the early steps of the recipe.

    Easy to make gluten-free : Oat flour not only brings more fiber to the brownie, it makes it naturally gluten-free as well.

    Deep chocolate flavor : The deep chocolate flavor comes from many sources including cocoa powder, chocolate chips and the Oreo cookies.

    Ingredients You'll Need

    • oat flour - a super healthy flour that can be bought or made from rolled oats or use all purpose flour, just use less because oat flour is lighter.
    • flax seed eggs or unsweetened applesauce - either is a great egg replacer. Flax seeds are high in fiber so great for digestion and studies show they have a positive impact on blood cholesterol.
    • organic cane sugar - I love Wholesome brand but any cane sugar will work.
    • cocoa powder - you can use healthier cacao powder but if you want to stick to cocoa powder, be sure to use unsweetened.
    • olive oil - or use avocado oil. Don't use an unhealthy vegetable oil or you'll lose the heart health aspect.
    • chocolate chips - only a few are necessary for the top fudge factor
    • Oreo cookies - Use large or small, or feel free to substitute with another chocolate sandwich cookie.
    • vanilla & salt

    Substitutions

    1. Oat flour can be swapped for all purpose flour just be sure to use less all purpose flour - I provide exact measurements for both flours in the recipe.

    2. Flax seed eggs or applesauce are fine for egg replacers.

    3. Oreo cookies now come in a gluten-free version so by all means, use those if you need the brownies to be gluten-free.

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    Oreo Cookie Brownies

    How to Make

    Step 1. Preheat oven to 350 F. Line an 8x8-inch baking pan with parchment paper.

    Step 2. Stir together 2 tablespoon ground flax seeds and 5 tablespoon of water and set aside for 10 minutes to thicken.

    Step 3. Add sugar and ½ cup of water to a sauce pan, simmer on low and stir until all sugar is melted. Do not leave it alone or let it boil, and it's very important to continuously stir. It should take about 2-3 minutes to melt all the sugar and render the water clear yet golden. See the recipe card for helpful images.

    pot of sugar being melted in water

    Step 4. Throw the rest of the ingredients into the bowl and stir or hand-mix until just combined. Do not over mix or you will incorporate too much air and throw off the texture.

    Step 5. Pour mixture into the baking pan, layer with broken Oreos, and bake for roughly 30-35 minute or until the top crackles.

    steps to make oreo brownies

    Recipe Tips

    To melt sugar : Be sure to warm the water on simmer for a few minutes. Then pour in the sugar and stir continuously until all granules are melted. The melting process should take about 2-3 minutes. The sugar water should be clear and golden.

    Oreo cookies : You can use mini Oreos, regular size, and you can use them whole or break them in half. Do not crumble them, and do not remove the white filling. You can also use any other brand of chocolate sandwich cookie.

    Baking time : You want the top to crack a bit, but you don't want to burn the edges so watch the baking of these closely. Start watching around 30 minutes through the oven window.

    Other Brownie Recipes

    • Easy Gluten Free Brownies
      Best Gluten Free Brownies
    • three buckwheat brownies stacked
      Chocolate Buckwheat Brownies
    • stack of brownies with a yellow flower
      No Bake Chocolate Brownies
    • stack of sweet potato brownies
      4-Ingredient Sweet Potato Brownies

    If you tried this recipe or any other recipe on my website, please leave a 🌟 star rating and let me know how it went in the 📝 comments below. Thanks for visiting!

    📖 Recipe

    front slice view of oreo brownies

    Oreo Brownies

    Created by Dee Dine
    Oreo brownies with a shiny crackle top are easy to make in half an hour, have a deep chocolate flavor, and are naturally dairy-free and gluten-free.
    5 from 1 vote
    Print Recipe Pin Recipe SaveSaved! Rate Recipe
    Prep Time 10 minutes mins
    Cook Time 40 minutes mins
    Total Time 50 minutes mins
    Course Dessert
    Cuisine American
    Servings 16
    Calories 220 kcal

    Ingredients
     
     

    • 2 ¼ cups oat flour Or 1 ½ cups all purpose flour
    • 2 tablespoon flax seed soaked in 5 tablespoon of water or 5 tablespoon apple sauce
    • 1 ½ cup organic cane sugar (dissolved in ½ cup hot water)
    • ¾ cups cocoa powder
    • ½ cup olive oil
    • 2 teaspoon vanilla
    • ½ teaspoon salt

    Toppings

    • ½ cup chocolate chips
    • 10 Oreo cookies
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    Instructions
     

    • Preheat oven to 350 F.
    • Line an 8x8-inch baking pan with parchment paper over-hanging at least two sides.
    • Stir together 2 tablespoon ground flax seeds and 5 tablespoon of water and set aside for 10 minutes to thicken.
      2 tablespoon flax seed soaked in 5 tablespoon of water
    • Add sugar and ½ cup of water to a sauce pan, simmer until all sugar is melted. Do not leave it alone or let it boil, and continuously stir. It should take about 2-3 minutes to melt all the sugar and render the water clearish.
      1 ½ cup organic cane sugar
    • Add the melted sugar to a mixing bowl.
    • Add the rest of the ingredients into that bowl with the sugar.
      2 ¼ cups oat flour, ¾ cups cocoa powder, ½ cup olive oil, 2 teaspoon vanilla, ½ cup chocolate chips, ½ teaspoon salt
    • Mix up batter with a spoon or hand-mixer.
    • Pour mixture into the baking pan, fold in the ½ cup chocolate chips, layer with broken oreos
      10 Oreo cookies
    • Bake for roughly 25-30 minutes or until the top crackles.
    • Cool and lift the brownies out of the pan using the parchment paper as handles.
    • I refrigerate them for 30 minutes before cutting to get clean cuts

    Storage

    • Store them in an air-tight container in the refrigerator for a week or longer in the freezer.

    Video

    Notes

    To melt sugar : Be sure to warm the water on simmer for a few minutes.  The melting process should take about 2-3 minutes. 
    Baking time : You want the top to crack a bit, but you don't want to burn the edges so watch the baking of these closely. 

    Nutrition

    Calories: 220kcalCarbohydrates: 37gProtein: 4gFat: 11gSaturated Fat: 3gSodium: 77mgPotassium: 138mgFiber: 3gSugar: 22gCalcium: 24mgIron: 2mg
    Tried this recipe?Let us know how it was!

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    5 from 1 vote (1 rating without comment)

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    dee dine

    My name is Dee Dine and I’m a two-time cookbook author and certified nutritionist. Here you’ll find easy, healthy recipes made with few ingredients and always egg free, dairy free, & gluten free. About Dee →

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