No-Bake Peanut Butter Oatmeal Bars – Deliciously thick and chewy oatmeal bars that are no-bake, loaded with peanut butter, and only require 3 simple ingredients. These make the most easy breakfast bars!

No-Bake Peanut Butter Oatmeal Bars

I have the most easiest breakfast bars for you right here.

These Peanut Butter Oatmeal Bars consist of only 3 simple ingredients, and they are completely no-bake! What’s not to love about them?

They’re thick, soft, chewy, and LOADED with peanut butter flavour. If desired, you can even drizzle on some melted dark chocolate for extra indulgence.

Looking for more peanut butter recipes? Check out my Peanut Butter Chip Cookies, Peanut Butter Swirl Brownies, and my Chocolate Peanut Butter Fudge.

No-Bake Peanut Butter Oatmeal Bars

Ingredients you’ll need

Here’s a list of ingredients you’ll need to make these bars. You can find my recipe card at the bottom of this post for the complete list with their amounts.

  • Smooth peanut butter
  • Honey: If you can’t get hold of honey, you can use maple syrup, golden syrup or light corn syrup.
  • Rolled oats: Quick porridge oats work fine too.

Optional: You can add a few chocolate chips to the mixture, or even drizzle on some melted chocolate once cut into bars.

How to make No-Bake Peanut Butter Oatmeal Bars

To make these bars, simply grab a large microwave-safe mixing bowl and add the peanut butter and honey.

Peanut butter in a mixing bowl.
Peanut butter and honey in a mixing bowl.

Heat in 20 second intervals until the peanut butter is runny and can be combined easily with the honey.

Peanut butter and honey being stirred together in mixing bowl.

Add the oats and fold in until incorporated. If using chocolate chips, add now.

Adding oats to peanut butter mixture in mixing bowl.

Press the mixture firmly into an 8×8-inch square baking pan lined with parchment paper or foil.

Dropping the oatmeal mixture into baking tray.
Pressing the oatmeal mixture firmly into the baking tray.

Cover and refrigerate for at least 1 – 2 hours (or freeze for 30 minutes to 1 hour) before removing and cutting into bars. You can either cut into 8 long bars (as pictured), or 16 square bars.

Once cut into bars, drizzle them with melted chocolate if desired.

The printable recipe card with the full list of ingredients, their measurements, and instructions can be found at the bottom of this post.

No-Bake Peanut Butter Oatmeal Bars

Shop the Recipe

Here are a few handy tools I used to make these bars. As an Amazon Associate, I earn from qualifying purchases.

No-Bake Peanut Butter Oatmeal Bars
No-Bake Peanut Butter Oatmeal Bars

These No-Bake Peanut Butter Oatmeal Bars are:

  • super quick and easy to make
  • made from only 3 simple ingredients
  • deliciously thick, soft, and chewy
  • loaded with peanut butter flavour
  • the easiest breakfast bars you’ll ever make!

How long will these oatmeal bars last? These bars can be kept in an airtight container and stored in the fridge for up to 2 weeks.

Can I freeze these bars? Yes, they also freeze well for up to 3 months. Thaw overnight in the fridge before serving.

Tried this recipe?

If you try this recipe, let us know! Leave a comment, rate it, and don’t forget to tag me on Instagram and hashtag it #simplybakeblog. I’d love to see!

No-Bake Peanut Butter Oatmeal Bars
No-Bake Peanut Butter Oatmeal Bars

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No-Bake Peanut Butter Oatmeal Bars
Simply Bake

No-Bake Peanut Butter Oatmeal Bars

Deliciously thick and chewy oatmeal bars that are no-bake, loaded with peanut butter, and only require 3 simple ingredients!
Author: Marsha
Prep Time: 20 minutes
Total Time: 20 minutes
Yields: 16 bars

Ingredients

  • 1 cup (250g) smooth peanut butter
  • ¾ cup (255g) honey
  • 3 cups (270g) rolled oats

Instructions

  • Line an 8×8-inch square baking pan with parchment paper or foil, and set aside.
  • In a large microwaveable bowl, add the peanut butter and honey, and heat in 20 second intervals until the peanut butter is runny and can be combined easily with the honey.
  • Add the oats and fold in until incorporated.
  • Press the mixture firmly into the prepared pan.
  • Cover and refrigerate for at least 1 – 2 hours before removing and cutting into bars.

Video

Recipe Notes

These bars can be kept in an airtight container and stored in the fridge for 2 weeks. They also freeze well for up to 3 months. Thaw overnight in the fridge before serving.

Nutrition Information:

Serving: 1barCalories: 204kcalCarbohydrates: 28gProtein: 6gFat: 9gSaturated Fat: 2gPolyunsaturated Fat: 6gSodium: 76mgFiber: 3gSugar: 14g

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

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3 Comments

  1. How should one adjust the above recipe if looking to add into the mix Brewed Cacao (e.g. roasted grounded Cacao beans typically used as coffee alternative)?

    And can other Nut Butters like Walnut, Pecan, Macadamia and Pine Nuts be used in same amount as Peanut Butter or does one have to account for how thick / runny they may be?

  2. Hi Marsha
    Love how easy this recipe is!
    Do you think it would work ok if I only used half the amount of honey, as I’m trying to eat healthier and cut down on the amount of sugar I’m consuming? Or could I use a sugar substitute such as monkfruit?
    Thanks,
    Heather

    1. Hi Heather! You could try using a little less (about 1/4 cup less), but not too much as it helps combine everything together along with the peanut butter.