A Nature Valley copycat recipe: soft-baked Oatmeal Bars! These peanut butter flavored bars are thick, chewy, and dotted with peanut butter baking chips. These naturally gluten-free bars are made with better-for-you ingredients.

Try our other gluten-free treats: Gluten-Free Pumpkin Cake, Healthy Chocolate Cookies, or Blueberry Oatmeal Bars.

Oatmeal bars with peanut butter glaze on top ready to be enjoyed.

The Best Oatmeal Bars

On a recent road trip, we tried Nature Valley’s® Peanut Butter Oatmeal Squares. The kids and I loved how soft they were, but I didn’t love the ingredients used. So, when we got home, I decided to make my own version of oatmeal bars.

These homemade oatmeal bars are soft and chewy. They taste a lot like peanut butter cookies mixed with oatmeal. I use natural sweetener like honey, plus good ingredients like peanut butter, oats, and oat flour. The peanut butter chips have some sugar, but you can switch them with dark chocolate to make the bars more nutritious.

Combining ingredients for oatmeal bars recipe, adding peanut butter chips, transferring dough to a pan, and baking.

Oatmeal Bars Ingredients

  • Peanut Butter: This provides the main flavor, structure, and is filling due to its protein content.
  • Honey: Naturally sweetens the bars and is rich in antioxidants.
  • Light Brown Sugar: Adds a bit more sweetness, used minimally (only 1/4 cup).
  • Egg: Stabilizes the batter, adds flavor and protein.
  • Vanilla Extract: Gives a subtle flavor enhancement.
  • Baking Soda: Prevents the bars from being too dense.
  • Oats and Oat Flour: These form the base of your oatmeal bars, providing structure and chewiness. You can make oat flour from these same oats.
  • Peanut Butter Chips: They add a fun element, but you can replace them with nuts or dark chocolate chips for a healthier option.

Quick Tip

Line the pan with parchment paper and leave an overhang for easy removal. These oatmeal bars stick to the pan and be nearly impossible to pull out without the parchment paper.

Freshly baked oatmeal breakfast bars in the pan, cut into squares, with peanut butter added on top.

How To Make Oatmeal Bars

  1. Prep: Preheat your oven and line an 8×8-inch baking pan with parchment paper.
  2. Mix: In a large bowl, combine peanut butter, honey, brown sugar, an egg, vanilla extract, baking soda, salt, old-fashioned oats, and oat flour. Beat until smooth. Then, fold in the peanut butter chips.
  3. Bake: Pour the batter into the pan and smooth it out. Bake. 
  4. Cut and Serve: Let the oatmeal bars cool in the pan, then cut them into squares.

More Easy Snack Recipes

4.91 from 30 votes

Oatmeal Bars

A Nature Valley copycat recipe: soft-baked Oatmeal Bars! These peanut butter flavored bars are thick, chewy, and dotted with peanut butter baking chips. They're made with better-for-you ingredients and naturally gluten free. (See Note 1)
Prep Time: 10 minutes
20 minutes
Total Time: 30 minutes
Servings: 12 bars

Ingredients 
 

  • 3/4 cup creamy peanut butter
  • 1/2 cup honey
  • 1/4 cup light brown sugar, lightly packed
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup old fashioned oats
  • 1/2 cup oat flour (See Note 2)
  • 1 cup peanut butter chips
  • Optional: 1/4 cup creamy peanut butter

Instructions 

  • PREP: Preheat the oven to 325 degrees F. Line an 8x8-inch pan with parchment paper, leaving an overhang for easy removal, and set aside.
  • BARS: Combine all the ingredients except the peanut butter chips in a large bowl. Beat with a hand mixer until smooth. Add in the peanut butter chips and fold with a spatula to combine.
  • BAKE: Transfer batter to the prepared pan and smooth into an even layer. Bake for 18-22 minutes or until lightly browned around the edges. They may look a bit underdone or gooey in the center, but as long as they don't jiggle at all, they are done. These bars continue to set up and firm as they cool.
  • CUT AND SERVE: Remove bars from the oven and let cool completely in the pan. Use the parchment paper overhang to pull out the bars and cut into 12 squares with a sharp knife.
  • OPTIONAL: (This is for the peanut butter fanatics!) Once bars are cut into squares, place 1/4 cup of peanut butter in a small resealable bag. Cut off a tiny corner tip of the bag and pipe the peanut butter on the top of the bars.

Video

Recipe Notes

Note 1: Gluten-free ingredients: While naturally gluten-free ingredients are used in this recipe, be sure to check your ingredients to be sure they were not made in a facility containing gluten. If having a gluten-free bar is essential for your family, buy and use only products manufactured in a safe (gluten-free) environment. This will be noted on product packages.
Note 2: Oat flour: To make oat flour, grind up oats in a blender or food processor until the oats are the texture and size of regular flour. Make sure to measure the oat flour after grinding the oats.

Nutrition

Serving: 12bars | Calories: 205kcal | Carbohydrates: 27.1g | Protein: 5.6g | Fat: 9.1g | Sodium: 77.3mg | Fiber: 1.8g | Sugar: 17.8g

Nutrition information is automatically calculated, so should only be used as an approximation.

Meet Chelsea


Hello, and welcome to Chelseaโ€™s Messy Apron! Iโ€™m Chelsea, the recipe developer, food photographer, and writer behind the site. Iโ€™m passionate about creating simple, reliable, and delicious recipes that anyone can make.

Thanks for stopping byโ€”I hope you find something delicious to make!

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4.91 from 30 votes (9 ratings without comment)

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122 Comments

  1. Norma | Allspice and Nutmeg says:

    These look amazing. Pinning!

  2. Cate @ Chez CateyLou says:

    I really love peanut butter too!!! And these look like a peanut butter lovers dream bar! Thank you for perfecting the recipe b/c they look seriously perfect and so delicious! Pinning and can’t wait to make these soon!

    1. chelseamessyapron says:

      Thanks lady! ๐Ÿ™‚

  3. wokandspoon says:

    I’m a peanut butter addict too and these bars look nice, sweet and gooey!

    1. chelseamessyapron says:

      I love them! Thank you!

  4. Erin | The Law Student's Wife says:

    VICTORY!!!!! Congrats on nailing the recipe. These look amazing!

    1. chelseamessyapron says:

      Thank you Erin! ๐Ÿ™‚

  5. Nicole ~ Cooking for Keeps says:

    Pinning! Must try these! They look so so good!

    1. chelseamessyapron says:

      Thanks Nicole and thanks for the pin!

  6. Kayle (The Cooking Actress) says:

    5 stars
    OMG AHMAZING!! I love those Nature Valley bars so this copy cat version looks SO TASTY!!

    1. chelseamessyapron says:

      You are so sweet thanks Kayle!

  7. Anna Holloway says:

    These look amazing, adding to my list of recipes to try!

  8. marcie says:

    Chelsea, these look and sound perfect! I’m always trying to find the “perfect” granola bar recipe — it takes work, because I’m very serious about granola bars! Pinning these to try!

  9. Drew says:

    So that’s where all of our peanut butter went…

    1. chelseamessyapron says:

      Hmmmm….. You weren’t supposed to read this….

  10. Kelly says:

    These look awesome Chelsea! I’m such a sucker for anything with oatmeal and peanut butter and soft-baked makes them even better:)

    1. chelseamessyapron says:

      Thank you Kelly! ๐Ÿ™‚