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These No Bake Peanut Butter Oatmeal Bars come together in minutes with just five ingredients you probably already have at home. They’re chewy, nutty, and just sweet enough to work as a better-for-you treat or a quick breakfast on busy mornings.
Why These No Bake Peanut Butter Oatmeal Bars Are So Good
- Ready in just 15 minutes—no oven required.
- Made from pantry staples you probably already have.
- Healthier than packaged granola bars.
- Great for lunchboxes, snacks, or meal prep.
Ingredient Substitutions & Notes
- Peanut butter: You can use regular or natural peanut butter, chunky or creamy peanut butter—choose based on your texture preference. Just make sure it’s well-stirred if using the natural kind. For a nut-free option, try sunflower seed butter or soy nut butter.
- Honey: Swap the sweetener with maple syrup or agave for a vegan alternative. Brown rice syrup works too but is less sweet and stickier.
- Old fashioned oats (rolled oats): Quick oats can be used for a softer texture. For gluten-free no bake peanut butter bars, choose certified gluten-free oats.
- Vanilla extract
- Chocolate chips: Use milk chocolate chips, dark chocolate chips, or white chocolate chips—or even a mix! You can also substitute chopped chocolate, mini M&Ms, or leave them out entirely for a more classic oat bar.
See the recipe card for full information on ingredients and quantities.
How to Make Peanut Butter Oatmeal Bars without Baking
- Melt: In a medium saucepan, melt the peanut butter and honey over medium heat. Stir in the vanilla.
- Mix: Remove from heat and mix in oats while the mixture is still warm.
- Press: Press the mixture into a greased 8×8 or 9×9-inch pan.
- Top: Sprinkle with chocolate chips.
- Chill: Refrigerate until firm (at least 1 hour).
- Slice: Cut into bars and enjoy!
Tips for Success & Easy Variations
- Use the Right Oats: Old-fashioned rolled oats give the bars a hearty, chewy texture and help them hold together better. Quick oats can be used for a softer, more uniform texture—but they may make the bars slightly more crumbly.
- Choose The Best Nut Butter: Natural peanut butter works just as well as processed, but if it’s too runny or oily, stir it well before using. Almond butter, cashew butter, or sunflower seed butter are great alternatives—just keep the consistency thick and creamy for best results.
- Customize Your Cookies: Stir in coconut flakes, flax seeds, chia seeds, raisins, or mini chocolate chips to add more flavor and texture—just keep the ratio balanced so they hold together well.
- Sprinkle with Sea Salt: A light sprinkle of flaky sea salt over the top—especially if you add a chocolate layer—adds a perfect sweet-and-salty contrast.
- Press & Chill Well: Press the mixture firmly into the pan using parchment paper or the back of a spoon. Chill for at least 1–2 hours before cutting to allow the bars to set fully.
Why Are My No Bake Bars Falling Apart?
If your bars are too dry or crumbly, try packing them more firmly into the pan and ensuring the peanut butter and honey mixture is hot enough to fully coat the oats. If needed, add a little more honey or nut butter to help bind everything together.
How to Store No Bake Oatmeal Bars
- Fridge: Store in an airtight container for up to 1 week.
- Freezer: Freeze individually wrapped bars for up to 3 months.
- To Thaw: Let sit in the fridge for a few hours or at room temperature for 20–30 minutes.
Best Containers: Use a glass or plastic airtight container with a tight-fitting lid. For easy grab-and-go storage, wrap individual bars in parchment paper or foil before refrigerating or freezing.
More Easy No-Bake Treat You’ll Love
- No-Bake Chocolate Eclair Cake
- No-Bake Chocolate Peanut Butter Cookies
- Tiger Butter
- No-Bake Peanut Butter Bars
- Funfetti Dip
- Brownie Batter Dip
- Ice Cream Layer Cake
- No-Bake Chocolate Peanut Butter Pretzel Bars
- No-Bake Truffles
- Energy Bites
- 7 Layer Bars
- Strawberry Shortcake Truffles
- Apple Cinnamon Baked Oatmeal Cups
If you tried this No Bake Peanut Butter Oatmeal Bars Recipe or any other recipe on my website, please leave a 🌟 star rating and let me know how it went in the 📝 comments below. Thanks for visiting!!
No Bake Peanut Butter Oatmeal Bars
Serves — 16
Healthy No-Bake Peanut Butter Oatmeal Bars have a soft, chewy texture with the perfect balance of savory and sweet flavors. They’re easy to make gluten-free, dairy-free, and vegan-friendly.
Prep Time 15 minutes
Refrigerate 1 hour
Total Time 15 minutes
Ingredients
- 2 cups peanut butter
- 1 cup honey
- 3 cups old fashioned oats
- 1 teaspoon vanilla
- ¼ cup Chocolate chips
Instructions
- In a medium saucepan, mix peanut butter and honey over medium heat until melted (stir constantly).2 cups peanut butter, 1 cup honey
- Stir in vanilla.1 teaspoon vanilla
- Remove from heat. While hot, mix in oatmeal until all ingredients are combined.3 cups old fashioned oats
- Pour into well greased 8×8 baking dish and distribute evenly.
- Sprinkle chocolate chips on top1/4 cup Chocolate chips
- Place in refrigerator until it firms up.
- Slice and enjoy!
Jenn’s Notes
Tips:
- Store your no bake peanut butter oat bars in an airtight container in the refrigerator. This will keep them firm and fresh for up to one week if properly chilled.
- To freeze no bake oatmeal bars, place in a single layer on a baking sheet and freeze for 1–2 hours. Then transfer to a freezer-safe container or zip-top bag with parchment between layers to prevent sticking. They’ll keep well in the freezer for up to 3 months.
- To enjoy, simply thaw bars in the refrigerator for a few hours or at room temperature for 15–30 minutes. They taste great slightly chilled, too!
- Use a glass or plastic airtight container with a tight-fitting lid. For easy grab-and-go storage, wrap individual bars in parchment paper or foil before refrigerating or freezing.
- I love to cut these up into small squares and wrap them individually in plastic wrap and freeze them. That way, they become a quick grab and go snack and it is great for portion control!
Nutrition Info
Calories: 326kcal | Carbohydrates: 36g | Protein: 10g | Fat: 18g | Saturated Fat: 4g | Cholesterol: 1mg | Sodium: 152mg | Potassium: 275mg | Fiber: 4g | Sugar: 22g | Vitamin A: 6IU | Vitamin C: 1mg | Calcium: 26mg | Iron: 1mg
Post updated – Originally posted January 27, 2016
I have a daughter with type one and I love to make things but hard to figure out the carbs when I do what would u think one bar would be and if there is fibre
Hi Michelle! I know how hard it is trying to figure these things out with Type 1 (I used to work for 17 years for JDRF). Unfortunately I do not have the calculations! 🙁 So sorry!!
Hey Michelle,
You might try a recipe analyzer for you potential recipes. https://www.verywellfit.com/recipe-nutrition-analyzer-4157076 says that if you make this recipe, and cut it into 25 pieces (that’s 5×5 in your square pan), you would have 247 Calories, 29.1g Total Carbs, of which 14.5g is sugar, and 3.2g is Fiber. It produces a label just like you see on products in the store, so it’s easy to read and understand. Just thought I’d share and hopefully make your life a little easier, in case you haven’t found it yet.
Can you use all natural peanut butter or is it too oily for this recipe?
Hi Kathleen – I have not actually tried that – but if you do, let me know if it works!!!
Do you think you could sub the honey for maple syrup? These look amazing, but we are allergic to honey.
Hmmmmmm – not really sure, but worth a try!!
I am allergic to honey also. My recipes say to try karo syrup instead of honey. It is thicker than maple syrup.
I just made a batch with 1 1/2 cups peanut butter and a 1/2 cup nutella. fingers crossed! Thank you so much for the recipe!
-Lindsay
Hi! I just made these. I added a little dash of flax seed meal and chia seed to the oatmeal mixture. I thought they were decadent and almost like peanut butter halvah. My 6 and 8 year old boys liked the first bite, and then complained it was too peanut-buttery. I’m trying to think on what I can reinvent these into…
Just made these today and I love them! Perfect for a quick snack at work. My son has peanut allergy so I used Wild Friends almond butter and they turned out great. Cut the pan of bars 5×5 and one bar was satisfying. Thank you for sharing an easy recipe that works, tastes great, and is easy to clean up!
Wondering if this recipe might work with biscoff or sunbutter for allergies…
We are going to try a mini batch with Wow Butter!
Will you let me know how they turn out?
I use wow butter in all of my recipes and it works just as good in this one!
Great to know! Thank you!
I just bought my 1st container of Wow Butter. My daughter has a peanut/treenut allergy so I always gave her cookie butter, which has zero nutritional value!! Found this so thought I’d try it. Did it turn out for you?
You said five ingredients, but in the text directions, you only added four. You forgot to say when to add the chocolate chips!
OMgoodness! You are correct! Just fixed it!! Thanks for catching that and letting me know, Marie Anne!
Is it vanilla extract? It just says vanilla.
Vanilla extract – sorry
Woaaa counted the calories on this, and if you make 9 bars with one recipe like in the video, that’s over 590 calories per bar ! it’s insane, it’s way more than what I get for a single meal.
Hi Julie – That would be a whole lot of calories, but that would also be a ginormous bar! I don’t think I could eat one that big! I honestly cut them way smaller and use them as a quick snack. I love to wrap them up and freeze them and grab them on my way out the door, or if I need something quick between meals. The bars I make are probably about 200 calories still, but a small one is all I need for breakfast.
However, in your video you cut them into 9 bars and they don’t look ginormous. Do you cut them in half after cutting them into the 9 bars?
I cut them really small and wrap them up and freeze them. I probably get more like 18 in real life!