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Home » Recipes » Breakfast & Brunch

Healthy breakfast bars

By: Kathryn Doherty | Last Updated: Mar 10, 2025 | Published: Sep 21, 2020
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Healthy breakfast bars are so delicious and just 4 ingredients, with no baking needed. These wholesome bars are whole grain, naturally sweetened and perfect in the morning or as a snack for fueling a busy day!A hand picking up a breakfast bar from a white plate

This post is sponsored by Bob’s Red Mill. As always, all thoughts and opinions are my own.

Did you know it’s National Breakfast Month right now in September?

I am a huge breakfast lover. ❤️

Sure, I don’t have much time to devote to it during the week. I start work at 6:30 a.m. and then I am on deadline all morning for my job as a health and nutrition editor.

But I do adore all kinds of breakfast and brunch foods, both sweet and savory.

Banana bread baked oatmeal, Instant Pot steel cut oats and cheesy baked eggs are some of our regular go-to options in the morning. And freezer breakfast burritos are great to have on hand.

Bonus points: They can all be made ahead and be ready to go for you come wake-up time.

Today’s recipe for these easy, healthy breakfast bars has became a fast favorite in our house. I made them 5 times in two weeks after I first tested them. And y’all, there are just 4 people in my house!

Oatmeal Cheerio breakfast bars sliced and arranged on a white plate with strawberries

We all adore them. My husband and I snack on them in the afternoons and the kids either enjoy them for breakfast or for a morning snack at school.

They are a little crunchy, a little chewy and just perfectly sweet. They set up great and are ready to enjoy straight from the fridge, so you can grab one and devour.

Plus, they are 100% whole grain and they’re naturally sweetened, too. (They can also easily be made gluten-free and vegan if needed. Keep reading for details.)

They’ve got the goodness from the oats and cereal and a good dose of protein from the peanut butter. So they are a great way to fill up in the morning and fuel a busy day.

A glass dish of cereal bars cut into long rectangles

We also almost always add in the mini chocolate chips (it’s just ¼ cup) for an extra dose of fun. (Can’t we all use an extra dose of fun this year?!) But those are optional so you don’t have to use them if you don’t want.

Oh, and if you love these flavors and love a healthy snack, check out my healthy no bake granola bars and my classic homemade granola bars that I’ve been making for a decade now. So, so tasty.

Needless to say, these breakfast bars are definitely going on the regular rotation in our house. I will happily make them a couple of times a week if it means we’ve all got a healthy breakfast or snack to grab.

(Note to self: Need to make another batch this afternoon.)

And shh, they are really easy to make. It takes just 10 minutes to put them together before you pop them in the fridge to set up.

Bob's Red Mill oats alongside bowls of peanut butter, honey and cereal laid out on a counter

I also love having the opportunity to partner with Bob’s Red Mill again this year. They truly are a company that’s as wholesome as its products.

They are dedicated to quality ingredients, they make so many of my favorite products (the oats, the whole wheat flours, the whole grain products, the snack bars, and more), and I appreciate that it’s an employee-owned company.

I also appreciate that they partner with No Kid Hungry and local food pantries, as well as other hunger-related programs. ❤️

OK though, let’s get back to today’s recipe.

A hand holding a no bake cereal bar

Now, I’ve got some notes and substitutions coming up on how to make these oat breakfast bars. Just tryin’ to be helpful.

If you want to jump on down to the recipe, simply scroll right on through the rest of the text. The recipe card is near the bottom of the page, above the comments section.

Notes on making healthy breakfast bars:

  • The recipe calls for old-fashioned rolled oats. You can choose organic or certified gluten-free oats if you prefer (Bob’s Red Mill has both of these options). Quick cooking oats would work here too, I think, but I don’t recommend using steel cut oats.
  • Creamy peanut butter is our go-to, but I think you could substitute almond butter if you wanted to make a peanut-free version of these bars.
  • The vanilla and mini chocolate chips are optional, but they add great flavor and a little fun, so I’d recommend adding them if you have them on hand in the pantry.
  • Be sure to choose a certified gluten-free O-shaped cereal -- and oats -- if you need this recipe to be gluten-free.
  • You can also easily make these vegan-friendly by using maple syrup instead of honey. (Either leave off the chocolate chips or use a dairy-free/vegan version.)

A plate of breakfast bars made with oats, Cheerios, peanut butter and honey

Oh, and the total yield here is up to you.

I’ve listed it as 10 bars because I usually cut our pan in half and then in long rectangular strips to make 10 total bars. (It’s basically a 5x2 arrangement.)

However, you could also make 9 large squares (3 rows in both directions) or 12 rectangular bars (3x4) or even 16 small squares (4x4), depending on what size you’d like.

Since we are making a lot, let’s talk about what to do with the extras. Though I doubt they'll last very long.

A hand holding a peanut butter chocolate no bake oatmeal bar with a glass of milk in the background

How to store breakfast bars:

- You can store leftover breakfast cereal bars in the refrigerator for up to a week. Just keep them covered in saran wrap or a plastic container.

- These also travel well. You can throw one in your bag (wrapped in plastic wrap or in a snack size ziploc bag) and enjoy it on the go. It’ll get more crumbly as it sits out, but overall they stay together really well.

I hope you make a batch of these easy healthy breakfast bars to make your mornings a little more tasty and a little less stressful.

Enjoy!

XO,

Kathryn

P.S. Stay tuned: I’ve got more yummy breakfast recipes coming your way later this week and over the next couple of weeks.

You can sign up for my free e-newsletter to get all of my new recipes delivered straight to your inbox so you never miss a thing. I’ll even send you my free e-cookbook, Healthy Weeknight Dinners, as a thank you!

A plate of breakfast bars arranged in a burst pattern with strawberries alongside
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4.29 from 7 votes

Healthy breakfast bars

Healthy breakfast bars are so delicious and just 4 ingredients, with no baking needed. These wholesome bars are whole grain, naturally sweetened and perfect in the morning or as a snack for fueling a busy day!
Prep Time5 minutes mins
Cook Time5 minutes mins
Additional TimeAdditional Time30 minutes mins
Total Time40 minutes mins
Yield: 10 bars

Ingredients

  • 1 cup creamy peanut butter
  • ½ cup honey (or sub maple syrup)
  • Splash of vanilla (optional)
  • 2 cups Bob's Red Mill old-fashioned rolled oats
  • 2 cups O-shaped cereal
  • ¼ cup mini chocolate chips (optional)

Instructions

  • In a medium saucepan, heat the honey and peanut butter over medium heat for 2-3 minutes, stirring until smooth and well combined. Turn off the heat.
  • Add the vanilla, if using, then the oats and cereal. Stir well until everything is coated.
  • Mix in the mini chocolate chips, if using.
  • Transfer the mixture to a greased 8x8 pan and press down into an even layer. (The mixture will be sticky so it helps to slightly wet your hands before you press it down.)
  • Let cool then cover with plastic wrap and place in the refrigerator to set up, about 1 hour.
  • Cut into squares or rectangles and enjoy! Store extras, covered, in the refrigerator for up to 1 week.

Notes

The recipe calls for old-fashioned rolled oats. You can choose organic or certified gluten-free oats if you prefer (Bob’s Red Mill has all of these options). Quick cooking oats would work here too, I think, but I don’t recommend using steel cut oats.
Creamy peanut butter is our go-to, but I think you could substitute almond butter if you wanted to make a peanut-free version of these bars.
The vanilla and mini chocolate chips are optional, but they add great flavor and a little fun, so I’d recommend adding them if you have them.
Be sure to choose a certified gluten-free O-shaped cereal if you need this recipe to be gluten-free.
You can also easily make these vegan-friendly by using maple syrup instead of honey. (Either leave off the chocolate chips or use a dairy-free/vegan version.)
You can cut these into 10 rectangles, as shown here, or make more or fewer bars by cutting them in a 3x3 (for 9 square bars) or in a 3x4 or 4x4 pattern for smaller rectangles.

Nutrition

Serving: 1serving | Calories: 238kcal | Carbohydrates: 25g | Protein: 6g | Fat: 14g | Saturated Fat: 3g | Polyunsaturated Fat: 9g | Sodium: 138mg | Fiber: 2g | Sugar: 18g
Tried this recipe?Leave a comment below or follow me on Instagram @familyfoodonthetable and tag me in your photo!
A hand picking up a breakfast bar from a white plate with a text box on top

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Reader Interactions

Comments

  1. Jack

    September 22, 2020 at 3:21 am

    Breakfast is great and nutritious. I followed the instructions and had a delicious meal. This is really helpful to me. Hope you will also write many useful articles like this. Thank you!

    Reply
    • Kathryn Doherty

      September 22, 2020 at 1:00 pm

      So happy to hear you enjoyed these Jack! 😊

      Reply
  2. Dennis Yannakos

    September 30, 2020 at 12:45 pm

    Thank you for the healthy recipe!

    Reply
    • Kathryn Doherty

      October 01, 2020 at 1:22 pm

      I hope you enjoy them! 😊

      Reply
  3. Amber

    October 27, 2022 at 4:46 pm

    Would love to do this instead of buying nature valley bars. Can I skip out the peanut butter and just do honey/ syrup or is it a must?

    Reply
    • Kathryn Doherty

      October 28, 2022 at 8:12 am

      Hi Amber! There's a full cup of peanut butter in the recipe, so I don't think skipping it will work; the bars likely won't hold together - or taste very good. You could swap in a different nut butter if you'd like though.

      Reply
  4. Melissa

    October 20, 2024 at 4:23 pm

    Could I substitute a crispy rice cereal instead of the o’s?

    Reply
    • Kathryn Doherty

      October 21, 2024 at 7:40 am

      I haven't tried this recipe with that substitution, but I think it would work and sounds like a great idea! I'd love to hear if you give it a go!

      Reply
4.29 from 7 votes (7 ratings without comment)

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Meet Kathryn

Hi there! I’m Kathryn Doherty, a cookbook author, mom of two, and devoted food and home cooking nut. I’ve got lots of easy recipes to help you get delicious food on the table for your family!

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