Whole Wheat Oatmeal S’mores Cookie Bars || Indoor S’mores

Oatmeal S’mores Cookie Bars are a great summer treat, with the classic S’mores flavors in a quick and easy bar form. Made with whole wheat flour and oats, this s’mores recipe is healthier than most. Enjoy your favorite childhood treat without the mess! 

Nothing brings back summer memories as a kid quite like the taste of a warm s’mores. Gooey marshmallows, graham cracker crumbs and melted chocolate, there really isn’t anything better.

My mom used to make a no-bake indoor s’mores bar growing up and it was one of my favorite things she made.

I recently partnered with Panera Bread on a campaign for their new s’mores bar. Naturally, it left me wanting to make my own healthy version!

That’s the story of how these oatmeal s’mores cookie bars were born and I’ve never been more thankful for Panera in my life. 😉

Made with rolled oats and whole wheat flour, these s’mores cookie bars are healthier than most recipes but most importantly they taste delicious!

These quick and easy s’mores bars take only 15 minutes to bake and require minimal ingredients. They’re also designed with three irresistible layers in mind.

1. The bottom layer is an oatmeal cookie crust.
2. The middle layer is where the chocolate and marshmallows hide out.
3. And the top layer is an oatmeal graham cracker crumble (with a few more chocolate chips and marshmallows because I couldn’t resist).

For these easy Oatmeal S’mores Cookie Bars you will need:

1. Old-Fashioned Oats
2. Whole Wheat Flour
3. Light Brown Sugar
4. Baking Soda
5. Butter
6. Vanilla Extract
7. Chocolate Chips
8. Marshmallows
9. Graham Crackers
10. Salt

You will also need:

1. 8×8 Baking Pan
2. Oven Mits
3. Sharp Knife
4. Hand Mixer or Standing Mixer
5. Rubber Spatula

Head to my amazon shop page to find my favorite baking ingredients, products and more 🙂

If you like the sounds of these easy indoor s’mores cookie bars then you might also love my Healthy Cinnamon Crunch Banana Bread, Loaded Peanut Butter Oatmeal Chocolate Chunk Cookies or these Healthy Tahini Chocolate Chunk Blondies.

If you can’t tell, I’m a sucker for anything oatmeal based. 😉

I hope you all enjoy these easy whole wheat oatmeal s’mores cookie bars as much as Michael and I did!

Don’t forget to tag me on instagram when you make this recipe or any of my recipes. 🙂

x, elizabeth

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Oatmeal S'mores Cookie Bars

5 from 1 vote

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Cook Time 15 minutes mins

Total Time 15 minutes mins

Servings 16 Bars

Ingredients

  

1x2x3x

Bottom Layer

• 1 Cup Whole Wheat Flour
• 1 Cup Old-fashioned Oats
• 1/2 Cup Light-Brown Sugar Packed
• 1/2 Tsp Baking Soda
• 1/2 Tsp Salt
• 1/2 Cup Butter Softened
• 1 Tsp Vanilla Extract

Middle Layer

• 1 Cup Chocolate Chips
• 1 1/4 Cup Marshmallows

Top Layer

• 6 Tbsp Light-Brown Sugar
• 6 Tbsp Butter Softened
• 3/4 Cup Old-fashioned Oats
• 3/4 Cup Graham Crackers Crushed
• 6 Tbsp all purpose flour
• 1/4 Cup Mini Chocolate Chips
• 1/4 Cup Mini Marshmallows

Instructions

 

Bottom + Middle Layer

• Preheat the oven to 350 degrees F. Line an 8 x 8 baking pan with parchment paper and set aside.
• In a small bowl, combine all of the ingredients for the base layer. Stir until a crumbly type of dough has been formed. Press this "dough" into the bottom of an 8 x 8 baking pan.
• Cook for 10 minutes or until lightly browned on top and remove from the oven.
• Sprinkle the chocolate chips and marshmallows from the middle layer ingredient list on top to melt.

Top Layer

• Beat together the brown sugar and butter until light and creamy. Stir in the oats, coarsely crushed graham crackers, and flour.
• Scoop the dough over the marshmallow layer. Evenly disperse scoops of dough on top of the marshmallows and spread out dough.
• Return to the oven for about 5 minutes
• Remove from oven and add remaining chocolate chips and marshmallows.
• Place in the oven and broil for 2 minutes or until marshmallows start to brown.
• Remove, cool and enjoy!

Tried this recipe?Let us know how it was!