I made Oat Bars No Bake that are fudgy, peanut-buttery, and suspiciously healthy, so you’ll want the recipe ASAP.

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I am obsessed with these No Bake Peanut Butter Oat Bars because they hit my snack radar like nothing else. I crave that natural creamy peanut butter silkiness and the chew from gluten free rolled oats, and I want one after every workout, during meetings, and as a midnight emergency.

They taste rich but honest, not trying too hard. And the chocolate on top pulls it all together, messy fingers and all.

I keep calling them my go-to Oat Bars No Bake and answer for Gluten Free Oat Desserts because they shut down the snack debate in my kitchen daily.

Ingredients

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Rolled oats: hearty chew and fiber, makes the bars feel like real snacks.
Natural peanut butter: creamy protein punch, kind of addictively nutty and satisfying.
Maple syrup: sweet binder that keeps things chewy, tastes cozy and warm.
Coconut oil: silky mouthfeel and helps set bars, adds a mild tropical note.
Vanilla extract: basically warmth and depth, makes everything taste more rounded.
Sea salt: brightens sweetness, and a pinch on top makes each bite pop.
Ground flax or chia: plus extra binding and a little nuttiness, adds tiny nutrition.
Dark chocolate chips: rich, slightly bitter counterpoint that makes bites feel special.
Peanut butter for chocolate layer: makes the topping silkier and addictively glossy.

Ingredient Quantities

2 cups gluten free rolled oats

1 cup natural creamy peanut butter (stirred if oily)

1/2 cup pure maple syrup (or agave for vegan swap)

1/4 cup coconut oil, melted (plus extra if needed)

1 teaspoon vanilla extract

1/4 teaspoon fine sea salt (plus a pinch for top, optional)

2 tablespoons ground flaxseed or chia meal (helps bind, optional)

3/4 cup dairy free dark chocolate chips (or regular if not vegan)

1 tablespoon peanut butter for the chocolate layer (optional, makes it silkier)

How to Make this

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1. Line an 8×8 inch pan with parchment paper, leaving some overhang so you can lift the bars out later.

2. In a big bowl stir together 2 cups gluten free rolled oats, 2 tablespoons ground flaxseed or chia meal if using, and 1/4 teaspoon fine sea salt.

3. In a small saucepan or microwave safe bowl combine 1 cup natural creamy peanut butter, 1/2 cup pure maple syrup (or agave), and 1/4 cup melted coconut oil; warm gently until smooth and pourable, whisk in 1 teaspoon vanilla extract. If the mix seems too thick add a little extra melted coconut oil, tablespoon at a time.

4. Pour the peanut butter syrup over the oats and stir until everything is evenly coated and looks sticky, press a piece of dough together to check it holds, if not add another teaspoon of oil or a bit more peanut butter.

5. Transfer the oat mixture to the prepared pan and press firmly and evenly into the bottom using the back of a spoon or a piece of parchment to get a smooth tight layer. Chill in the fridge for 20 to 30 minutes to firm up.

6. While the base chills melt 3/4 cup dairy free dark chocolate chips with 1 tablespoon peanut butter in a heatproof bowl over a simmering pot of water or in short bursts in the microwave, stirring until glossy. Dont overheat the chocolate or it will seize.

7. Pour the chocolate over the chilled oat layer and spread quickly with an offset spatula or the back of a spoon. Sprinkle a tiny pinch of sea salt on top if you like that sweet salty thing.

8. Return to the fridge and chill until fully set, at least 30 minutes to an hour. For faster setting put it in the freezer for 15 to 20 minutes but dont forget it or it will get too hard.

9. Use the parchment overhang to lift the slab from the pan, place on a cutting board and cut into bars or squares. Press edges back together and re-chill any messy bits to neaten them up.

10. Store in an airtight container in the fridge for up to 1 week or freeze for up to 2 months. Let frozen bars sit a few minutes at room temp before eating so they soften.

Equipment Needed

1. 8×8 inch baking pan (lined with parchment, leave some overhang so you can lift the bars out)
2. Parchment paper and kitchen scissors or a knife to trim it
3. Large mixing bowl for the oats and wet mix
4. Small saucepan or microwave safe bowl to warm peanut butter, syrup and coconut oil
5. Heatproof bowl plus a small pot if you want to melt chocolate over simmering water (or just use the microwave)
6. Measuring cups and spoons for accuracy
7. Whisk and a sturdy spoon or silicone spatula to stir and combine
8. Offset spatula or the back of a spoon to press and spread the layers evenly
9. Cutting board and a sharp knife to slice the bars, plus an airtight container for storage

FAQ

Can I make these bars nut free? Yes, swap the peanut butter for a seed butter like sunflower or tahini and use sunflower seed butter in the chocolate layer if you add it. Texture will be slightly different but still tasty.

How do I keep the bars from crumbling? Make sure you press the oat mixture very firmly into the pan and chill it at least 1 hour. Adding the flax or chia, and a little extra coconut oil or peanut butter if the mix seems dry, helps bind them together.

Will they hold up in hot weather? They get soft when warm because of the peanut butter and coconut oil. Keep them refrigerated for travel or warm days. If you need them room temp, add a bit more oats or chill right before serving.

Can I use quick oats instead of rolled oats? You can, but quick oats make a denser, less chewy bar. If using quick oats, consider pulsing them once in a food processor so they arent too powdery.

How long do they keep and how should I store them? Stored in an airtight container in the fridge they last up to 2 weeks. You can freeze for up to 3 months; thaw in the fridge or at room temp for 20 minutes before eating.

Can I add mix-ins like nuts, dried fruit or protein powder? Absolutely. Fold in chopped nuts, seeds, or dried fruit when you mix the oats. If you add protein powder, add a tablespoon or two of extra coconut oil or peanut butter to keep the bars from getting dry.

No Bake Peanut Butter Oat Bars Recipe Substitutions and Variations

Rolled oats: swap with quick oats for a softer, chewier bar (they absorb more liquid so press firm). Or use puffed rice for a lighter, crunchier bar if you like texture.
Natural creamy peanut butter: use almond butter or sunflower seed butter if you need nut free. Both change flavor a bit, but binding power is similar.
Maple syrup: honey works fine if not vegan, and brown rice syrup or date syrup are thicker vegan options that keep bars from getting too sticky.
Coconut oil: melted butter gives richer taste (not vegan). If you need neutral flavor use light olive oil or avocado oil, but you might need a bit less since they stay liquid at room temp.

Pro Tips

1. Chill the pressed oat layer longer than you think you need to, like 40 to 50 minutes. If it still feels soft press it down again and chill more. That keeps the bars from crumbling when you slice them.

2. If your peanut butter is really thick stir in a teaspoon or two of melted coconut oil rather than more syrup. It helps the mixture bind without making them too sweet, and the texture is less gummy.

3. Melt the chocolate gently and keep stirring. If it starts to look grainy or thick take it off the heat for a minute and stir until smooth. If it still looks seized add a teaspoon of coconut oil or a little extra peanut butter and stir it in.

4. For neater cuts warm a knife under hot water, wipe it dry between slices and cut slowly in one steady motion. Any crumbly edges can be pressed back together and re-chilled so nothing goes to waste.

No Bake Peanut Butter Oat Bars Recipe

Recipe by Louise Nightin

0.0 from 0 votes

I made Oat Bars No Bake that are fudgy, peanut-buttery, and suspiciously healthy, so you’ll want the recipe ASAP.

Servings

servings

Calories

318

kcal

Equipment: 1. 8×8 inch baking pan (lined with parchment, leave some overhang so you can lift the bars out)
2. Parchment paper and kitchen scissors or a knife to trim it
3. Large mixing bowl for the oats and wet mix
4. Small saucepan or microwave safe bowl to warm peanut butter, syrup and coconut oil
5. Heatproof bowl plus a small pot if you want to melt chocolate over simmering water (or just use the microwave)
6. Measuring cups and spoons for accuracy
7. Whisk and a sturdy spoon or silicone spatula to stir and combine
8. Offset spatula or the back of a spoon to press and spread the layers evenly
9. Cutting board and a sharp knife to slice the bars, plus an airtight container for storage

Ingredients

2 cups gluten free rolled oats
1 cup natural creamy peanut butter (stirred if oily)
1/2 cup pure maple syrup (or agave for vegan swap)
1/4 cup coconut oil, melted (plus extra if needed)
1 teaspoon vanilla extract
1/4 teaspoon fine sea salt (plus a pinch for top, optional)
2 tablespoons ground flaxseed or chia meal (helps bind, optional)
3/4 cup dairy free dark chocolate chips (or regular if not vegan)
1 tablespoon peanut butter for the chocolate layer (optional, makes it silkier)

Directions

Line an 8×8 inch pan with parchment paper, leaving some overhang so you can lift the bars out later.
In a big bowl stir together 2 cups gluten free rolled oats, 2 tablespoons ground flaxseed or chia meal if using, and 1/4 teaspoon fine sea salt.
In a small saucepan or microwave safe bowl combine 1 cup natural creamy peanut butter, 1/2 cup pure maple syrup (or agave), and 1/4 cup melted coconut oil; warm gently until smooth and pourable, whisk in 1 teaspoon vanilla extract. If the mix seems too thick add a little extra melted coconut oil, tablespoon at a time.
Pour the peanut butter syrup over the oats and stir until everything is evenly coated and looks sticky, press a piece of dough together to check it holds, if not add another teaspoon of oil or a bit more peanut butter.
Transfer the oat mixture to the prepared pan and press firmly and evenly into the bottom using the back of a spoon or a piece of parchment to get a smooth tight layer. Chill in the fridge for 20 to 30 minutes to firm up.
While the base chills melt 3/4 cup dairy free dark chocolate chips with 1 tablespoon peanut butter in a heatproof bowl over a simmering pot of water or in short bursts in the microwave, stirring until glossy. Dont overheat the chocolate or it will seize.
Pour the chocolate over the chilled oat layer and spread quickly with an offset spatula or the back of a spoon. Sprinkle a tiny pinch of sea salt on top if you like that sweet salty thing.
Return to the fridge and chill until fully set, at least 30 minutes to an hour. For faster setting put it in the freezer for 15 to 20 minutes but dont forget it or it will get too hard.
Use the parchment overhang to lift the slab from the pan, place on a cutting board and cut into bars or squares. Press edges back together and re-chill any messy bits to neaten them up.
Store in an airtight container in the fridge for up to 1 week or freeze for up to 2 months. Let frozen bars sit a few minutes at room temp before eating so they soften.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.