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Home » Recipes » Snacks

Healthy Flourless Oatmeal Cookie Bars

Last Modified: Sep 30, 2024 · Published: Mar 23, 2022 by Janessa · 10 Comments
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Soft, chewy, cinnamon spiced and full of vanilla, indulge in these Healthy Oatmeal Cookie Bars whenever a cookie craving hits!

Since they are naturally sweetened and filled with good-for-you ingredients including oats and flax, you can even feel good about eating them!

Stack of oatmeal cookie bars.

Plus they are super easy to whip up! You only need one bowl, they take less than 10 minutes to mix up and don't require shaping. Just press them all into one 9x9 inch baking pan and they're ready for the oven. (These pumpkin oatmeal bars are equally easy!).

Like these healthy copycat Eatmore Bars, these cookie squares are very freezer friendly and are a great snack (or treat) for packing in lunches and taking with you on the go.

Plus you can change out the add ins to turn these Flourless Oatmeal Cookie Bars into whatever cookie you are craving! I have lots of suggestions below.

The Ingredients

  • Rolled Oats- I like to use large flake rolled oats for this recipe but it should work with quick oats as well.
  • Ground Flaxseed- Ensure that you use ground flax and not whole seeds as it helps to provide the structure for these bars.
  • Butter- I've made these with both salted and unsalted butter and didn't notice any difference. If you would like to make these bars dairy free, you can use coconut oil instead.
  • Almond Butter- Another nut or seed butter can be used instead. You might be able to replace it with additional butter (or coconut oil) in order to make them nut free but I haven't tried this. Sunflower seed butter would also work as a nut free option. See this post on almond butter substitutes for more details and ideas.
  • Maple Syrup- Honey or agave syrup would also work.
  • Vanilla Extract
  • Cinnamon- Depending on what add in you make these cookies with, you may want to reduce the cinnamon or leave it out.
  • Sea Salt
  • Egg- When I first started testing this recipe, I didn't use an egg but I found that they didn't hold together well. The egg is important for structure and adds to the chewy texture of these oatmeal cookie bars.
  • Add Ins- Use your favourite cookie add ins. I'm partial to raisins in these but I have lots of other tasty suggestions below!

The Method

1. Melt butter and almond butter. In a large microwave safe bowl, melt the butter and almond butter (about 30-45 seconds). Stir until smooth.

Butter and almond butter mixed together in a bowl.

2. Mix in maple syrup, vanilla extract, cinnamon and sea salt.

Batter in a mixing bowl.

3. Add the egg. Mix until well combined.

Egg in a mixing bowl.

4. Mix in oats and flax.

Flax and oatmeal in a mixing bowl.

5. Fold in add ins.

Chocolate chips added to a mixing bowl.

6. Press mixture into 9x9 pan and bake for 25-30 minutes. I find using my hands easiest in order to get it packed down firmly. Tip: Lightly wet your hands before to prevent the batter from sticking to them.

Cookie bar batter pressed into a baking pan.

7. Remove from oven, cut into bars and allow to cool. I find the bars hold their shape best if you cut the bars in the pan (with a plastic flipper or dull plastic knife) while they are still warm. I also find it helps to allow them to cool right in the pan (after cutting) for 30-45 minutes.

Baked cookie bars sliced in a pan.

Storage

Allow to cool completely before storing. Store leftovers in an airtight container at room temperature for up to 3 days, in the refrigerator for up to 1 week or freeze for up to 3 months. Enjoy frozen or allow to thaw.

Oatmeal cookie bar with a bite taken out.

Make it Your Own

Use these healthy oatmeal cookie bars as a base for your favourite cookie flavours! You can omit or reduce the cinnamon to a ½ teaspoon if preferred. Use up to 1 cup of add ins such as:

  • Chocolate Chips
  • White Chocolate Chips
  • Butterscotch Chips
  • Dried Cranberries
  • Chopped Nuts
  • Raisins
  • Coconut
Cookie squares on a cutting board.

Or try out these flavour combos!

  • Trail Mix - use ¼ cup each of peanuts, roasted almonds, raisins (or dried cranberries) and chocolate chips; omit cinnamon.
  • White Chocolate Cranberry- ½ cup each of white chocolate chips and dried cranberries; reduce cinnamon to 1 tsp.
  • Chocolate Almond- ½ cup each of chocolate chips and roasted almonds. Omit cinnamon.
Stack of oatmeal cookie squares.

And if you liked this...

...you might also like:

  • Chocolate Peanut Butter Bars
  • Quinoa Nut Snack Bars
  • Crunchy Peanut Butter Snack Bars
  • Oat Flour Snickerdoodles
  • Brown Sugar Cinnamon Oatmeal

Recipe Card

Oatmeal cookie squares stacked in a pile.

Flourless Oatmeal Cookie Bars

Indulge your next cookie craving with these naturally sweetened Cookie Bars! Customize the add ins for whatever flavours you're craving.
5 from 20 votes
Print Pin Rate
Prep Time: 15 minutes minutes
Cook Time: 30 minutes minutes
Total Time: 45 minutes minutes
Servings: 16
Calories: 173kcal

Ingredients

  • ⅓ cup butter
  • ⅓ cup almond butter
  • 6 tablespoon maple syrup
  • 1 tablespoon vanilla extract
  • 2 teaspoon ground cinnamon
  • ½ teaspoon fine sea salt
  • 1 large egg
  • 1 and ¾ cups large flake rolled oats
  • ½ cup ground flax seed
  • ¾-1 cup add ins
US Customary - Metric
(Prevent your screen from going dark)

Instructions

  • Preheat the oven to 325 °F.
  • Place the butter and almond butter in a large microwave-safe bowl. Microwave for 30-45 seconds until melted and stir to combine.
  • Add the maple syrup, vanilla, cinnamon and sea salt and mix. Stir in the egg until smooth.
  • Mix in the oats and flax then fold in any add-ins.
  • Press the mixture firmly into a lined 9x9 inch baking pan. Bake for 25-30 minutes until lightly browned on the edges.
  • Remove from the oven, cut into bars and allow to cool completely in the pan.
  • Enjoy!

Notes

Leftovers
Store leftover bars in an airtight container at room temperature for up to 3 days, refrigerate for up to 1 week or freeze for up to 3 months.
*Nutrition calculated with ¾ cup of raisins as add in.

Nutrition

Calories: 173kcal | Carbohydrates: 19g | Protein: 4g | Fat: 10g | Saturated Fat: 3g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 20mg | Sodium: 112mg | Potassium: 192mg | Fiber: 3g | Sugar: 5g | Vitamin A: 134IU | Vitamin C: 1mg | Calcium: 51mg | Iron: 1mg
Did you make this recipe?Let me know what you thought in the comments below!

More Healthy Snack ideas!

  • Oatmeal cookies stacked on one another.
    Oat Flour Oatmeal Cookies
  • Oat tortillas on a green plate.
    Oat Tortillas
  • Oat flour apple muffin with a bite taken out.
    Applesauce Oat Flour Muffins
  • Stack of oat flour chocolate cookies.
    Oat Flour Chocolate Cookies
« Cajun Corn
Flourless Oat Waffles (In a Blender) »

Comments

    5 from 20 votes (14 ratings without comment)

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  1. Elaine says

    June 03, 2022 at 4:06 pm

    5 stars
    I could eat a ton of these and still want more! They are sooo goood!

    Reply
    • Janessa says

      June 03, 2022 at 4:19 pm

      Thank you! I'm glad you like them, Elaine.

      Reply
  2. Mahy says

    June 03, 2022 at 4:07 pm

    5 stars
    I can never say no to a good cookie bar. These are a lot better than just good, so I MUST make them now.

    Reply
    • Janessa says

      June 03, 2022 at 4:19 pm

      I'm glad you like them! Thank you for your kind review, Mahy.

      Reply
  3. Anjali says

    June 03, 2022 at 4:26 pm

    5 stars
    My kids absolutely love these oatmeal cookie bars! I'll often make a big batch of them and we'll use them for an easy breakfast all week long!

    Reply
  4. Cam says

    June 03, 2022 at 5:07 pm

    5 stars
    These are dangerous...I could seriously eat the whole batch!!

    Reply
  5. Jamie says

    June 03, 2022 at 5:29 pm

    5 stars
    I love the maple syrup and almond butter in these bars! It's perfect for my sweet tooth!

    Reply
  6. Tayler says

    June 03, 2022 at 5:36 pm

    5 stars
    I made these bars last weekend and they got rave reviews! Thanks so much for sharing the recipe!

    Reply
  7. Cheryl says

    October 24, 2024 at 6:11 pm

    Question: would coconut oil work in place of butter?
    I’ve recently discovered your site and am saving recipes that fit my diet - so many look great! I will definitely review as I try them.

    Reply
    • Janessa says

      October 24, 2024 at 9:29 pm

      Yes, coconut oil works great in these bars as well! I hope you enjoy all of the recipes and can't wait to read your thoughts as you make them!

      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!

More about me →

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