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Peanut Butter Oat Breakfast Bars Recipe (Gluten-Free + Vegan)

Published:June 11, 2025 By Lila Category:

Peanut Butter Oat Breakfast Bars are about to solve your crazy morning rush once and for all! Picture this: you’re running late, coffee in hand, and you grab one of these amazing breakfast oat bars from your counter. Boom – breakfast sorted!

These aren’t your average healthy oat breakfast bars. We’re talking wholesome oats, creamy peanut butter, crunchy walnuts, and chocolate chips all baked into pure morning magic. The best part? They’re naturally gluten-free, completely vegan, and use simple ingredients you probably already have in your pantry.

Peanut butter oat breakfast bars topped with toasted coconut flakes and sea salt on marble background

Here’s what makes this recipe absolutely brilliant: just 15 minutes of prep time, then your oven does all the heavy lifting. Make a batch once and you’ve got grab-and-go breakfasts for the entire week. They taste like you spent hours baking but require almost zero effort.

Ready to transform your mornings? Let’s make some breakfast bar magic happen!

Table of Contents

Why These Peanut Butter Oat Breakfast Bars Are Your New Morning Hero

Here’s why you’re going to be obsessed with these healthy oat breakfast bars:

  • They Actually Keep You Full: No more hangry 10am crashes! The oats and peanut butter combo keeps you satisfied until lunch.
  • Perfect for Crazy Mornings: Grab one and go – these breakfast oat bars are sturdy enough to eat in the car without making a mess.
  • Kid-Approved: My friends with picky eaters swear by these. They taste like a treat but are actually nutritious!
  • Make-Ahead Magic: Spend 45 minutes on Sunday, and you’re set for the entire week. Talk about a time-saver!
  • Way Better Than Store-Bought: You know exactly what’s in them, plus they taste a million times better than anything from a package.

If you love having breakfast options ready to go, you should also try my favorite one Baked Oatmeal with Berries recipe – it’s another fantastic make-ahead option that pairs perfectly with these bars for variety!

Peanut butter oat breakfast bars topped with toasted coconut flakes and sea salt on marble background

Peanut Butter Oat Breakfast Bars

Lila
Gluten-free, vegan peanut butter oat bars that are perfect for breakfast or an afternoon snack. Packed with oats, nuts, and chocolate, and finished with flaky salt, these wholesome bars are endlessly adaptable using pantry staples.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Breakfast, Snack
Cuisine American
Servings 1 bar
Calories 290 kcal

Ingredients
  

  • 1 3/4 cup rolled oats
  • 3/4 cup ground flaxseed
  • 1/2 tsp ground cinnamon
  • 1/2 tsp kosher salt
  • 1/3 cup light brown sugar
  • 1/2 cup coconut oil melted
  • 1/2 cup maple syrup
  • 1/3 cup almond butter
  • 1/3 cup peanut butter
  • 1 tbsp vanilla extract
  • 1/2 cup walnuts toasted
  • 1 cup dark chocolate pieces
  • 1/2 cup coconut chips toasted

Instructions
 

  • Preheat the oven to 350°F. Line a 9×13” baking dish with parchment paper, leaving an inch overhang.
  • In a food processor, pulse 3/4 cup rolled oats with the flaxseed until the mixture resembles breadcrumbs. Transfer to a large bowl.
  • Add the remaining 1 cup whole rolled oats, cinnamon, and salt to the bowl.
  • Toast walnuts on a baking sheet for 5–7 minutes, adding coconut chips in the last 2–3 minutes. Let cool.
  • In a medium bowl, whisk together melted coconut oil, maple syrup, brown sugar, vanilla, almond butter, and peanut butter until smooth.
  • Pour wet ingredients into dry mixture and fold until combined. Stir in toasted walnuts, coconut, and chocolate.
  • Spread mixture evenly in the prepared pan and press down firmly. Bake for 25–30 minutes, rotating halfway through, until golden.
  • Remove from oven, sprinkle with flaky salt, and cool in the pan for at least 1 hour (or chill to speed it up).
  • Lift bars out using parchment, slice into squares, and enjoy or share!

Notes

Swap almond butter with more peanut butter or cashew butter.
Add dried fruits or seeds for extra nutrition.
Let bars cool fully to ensure they hold their shape.

Nutrition

Calories: 290kcalCarbohydrates: 22gProtein: 5gFat: 20gSugar: 12g
Keyword vegan bars, gluten-free breakfast, oat bars, healthy snack, nut butter bars
Tried this recipe?Let us know how it was!

What Makes This Peanut Butter Oat Breakfast Bars Special

Here’s what makes these peanut butter oat breakfast bars absolutely amazing:

  • Two Types of Oats: We use whole oats for chewiness plus ground oats for structure. It’s like getting the best of both worlds!
  • Double Nut Butter Magic: Almond butter + peanut butter = way more flavor than using just one. Trust me on this!
  • Perfect Mix-Ins: Chocolate chips, toasted coconut, and walnuts give you something exciting in every single bite.
  • Natural Sweetness: Maple syrup instead of refined sugar means no crazy sugar crashes later.
  • That Flaky Salt Finish: This tiny detail makes EVERYTHING taste better. It’s like the secret handshake of good cooking!

The result? Bars that taste way fancier than the effort you put in. If you love this combo of textures and flavors, my Healthy Flapjack Recipe is another winner that’ll give you those same satisfying vibes!

Stack of chewy peanut butter oat breakfast bars with nuts and coconut on white surface

Quick Ingredient Breakdown

Let’s talk about what goes into these amazing healthy oat breakfast bars:

  • The Base: Start with 1 3/4 cups rolled oats, 3/4 cup ground flaxseed, plus a dash of cinnamon and salt.
  • The Sweet Stuff: Brown sugar, maple syrup, and melted coconut oil
  • The Protein Power: Almond butter, peanut butter, and vanilla extract
  • The Fun Mix-Ins: Toasted walnuts, dark chocolate pieces, and coconut chips

Most of these ingredients work beautifully in other breakfast recipes too. If you’re building a morning routine around wholesome ingredients, you might love my Bircher Muesli recipe – it uses many of the same pantry staples!

How to Make This Peanut Butter Oat Breakfast Bars

Alright cooking friends, let’s make some magic happen! I know it seems tricky, but you’ve totally got this – it’s easier than you think!

Step 1: Get Ready Preheat your oven to 350°F and line a 9×13 inch pan with parchment paper. Leave some overhang – you’ll thank me later!

Step 2: Make Your Oat Mix Toss 3/4 cup oats and all the flaxseed in a food processor. Pulse until it looks like breadcrumbs. Mix this with the remaining oats, cinnamon, and salt in a large bowl.

Step 3: Toast Those Goodies Pop the walnuts on a baking sheet for 5-7 minutes. Add coconut chips for the last 2-3 minutes. Everything should smell amazing!

Step 4: Mix the Wet Stuff Whisk together melted coconut oil, maple syrup, brown sugar, vanilla, and both nut butters until smooth.

Step 5: Bring It Together Pour wet ingredients into dry ingredients and fold until it looks crumbly but holds together. Add your toasted nuts, coconut, and chocolate chips.

Step 6: Press and Bake Press mixture firmly into your pan (really press it down!). Bake 25-30 minutes until golden. Give them a good sprinkle of flaky salt the moment they come out of the oven!

Step 7: The Hardest Part Let them cool completely – at least an hour. This is what makes them slice perfectly!

Pro Tips for Perfect Results

Want to nail these breakfast oat bars every single time? Here are my tried-and-true secrets:

Storage is key: These bars keep for up to a week at room temperature in an airtight container.

Make-ahead magic: You can prep the dry and wet ingredients separately up to 3 days ahead.

Get hands-on with it: Really pack that mixture down tight in your pan! Well-pressed bars hold together beautifully.

Cooling patience: Let them cool completely! Need to speed things up? No worries – just stick that whole pan right in the fridge after it’s cooled for about 30 minutes!

Close-up of peanut butter oat breakfast bars topped with toasted coconut and sea salt

Fun Ways to Customize Your Bars

Here’s where you can get creative and make these peanut butter oat breakfast bars totally your own!

Switch up the nut butters: Try cashew butter, sunflower seed butter, or even tahini for different flavor profiles.

Mix-in madness: Swap the chocolate chips for dried cranberries, mini marshmallows, or freeze-dried strawberries.

Seasonal spins: Add pumpkin pie spice in fall, or fold in dried orange zest for a bright winter twist.

If you love experimenting with oat-based treats, you should definitely try my Oatmeal Chia Seed Cookies recipe. They’re another fantastic way to use similar ingredients but with a completely different texture!

Conclusion

There you have it – your new go-to recipe for the most delicious peanut butter oat breakfast bars ever! These bars prove that eating well doesn’t have to be complicated or time-consuming.

The best part? Once you make them, you’ll probably start customizing them to suit your taste. That’s the beauty of a solid base recipe – it becomes your creative canvas.

So grab those ingredients and get ready to transform your mornings. Your future self will thank you when you’re rushing out with a nutritious breakfast bar in hand.


Frequently Asked Questions

Are oatmeal breakfast bars healthy?

Yes, oatmeal breakfast bars can be healthy when made with wholesome ingredients like oats, nuts, and natural sweeteners. Oats provide fiber and nutrients that keep you full longer. The key is avoiding store-bought versions with added sugars and choosing homemade recipes with real ingredients instead.

Can I make these bars gluten-free?

They already are! Just make sure your oats are certified gluten-free if you have celiac disease.

How long do these healthy oat breakfast bars last?

Up to a week at room temperature in an airtight container, or freeze individual bars for up to 3 months.

Can I substitute the coconut oil?

Absolutely! Melted butter works great if you’re not dairy-free, or try avocado oil for a neutral flavor.

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