These Banana Oatmeal Bars with Greek Yogurt make healthy snacking easy with a soft, moist texture, naturally sweet banana flavor, and a meal-prep-friendly recipe you’ll want to keep in the fridge all week.
For more banana oatmeal breakfast recipes, try our Banana Baked Oatmeal with Greek Yogurt, Banana Baked Oatmeal Cups with Greek Yogurt, or Banana Oatmeal Muffins.
Don’t Lose This Recipe
Enter your email to save this recipe. We'll send it to your inbox, and you'll also be subscribed to our FREE recipe newsletter. Unsubscribe anytime.
Why you’ll love our healthy banana oatmeal bars!
Banana Oatmeal Bars with Greek Yogurt are one of those recipes that prove wholesome snacks can be genuinely delicious. 🍌 Made with just a handful of everyday ingredients, they’re naturally sweetened with ripe bananas, packed with hearty oats, and finished with a few dark chocolate chips for just the right amount of sweetness. They’re perfect for breakfast, an afternoon snack, or meal prep for the week ahead.
The inspiration came from our popular banana baked oatmeal with Greek yogurt. Louise and I loved how the yogurt made that recipe soft and tender, so we wondered if it could do the same for oatmeal bars. After several test batches and a few small tweaks, we found the perfect balance. The Greek yogurt is the secret ingredient, keeping the bars moist and soft without the dense, gummy texture that many oat bars have. ✨
We also used less peanut butter than most recipes, letting the banana flavor shine while keeping the bars lighter and more balanced. The result is a snack that slices beautifully, stays tender for days, and all without any added sugar or sweeteners.
These bars are fiber-rich, protein-rich, and naturally gluten-free when made with certified gluten-free oats. They fit beautifully into a Mediterranean-style eating pattern and are an easy way to keep a nutritious homemade snack in the fridge, making wholesome choices simple whenever hunger strikes. 💛
P.S.: For more Greek yogurt breakfast ideas, try our Greek Yogurt Overnight Oats, Banana Overnight Oats with Greek Yogurt, or Greek Yogurt Banana Pancakes.
Ingredients
Full ingredients and substitutions are in the recipe box below.
- Bananas: use very ripe, spotty bananas for the best natural sweetness and soft texture. Substitute mashed sweet potato or pumpkin puree for a less sweet twist.
- Greek yogurt: keeps these healthy banana oatmeal bars soft, moist, and not gummy. Use low-fat Greek yogurt, full-fat Greek yogurt, or Skyr for even more protein. For a dairy-free version or if you don’t have Greek yogurt, substitute unsweetened applesauce or an extra mashed ripe banana.
- Peanut butter: adds richness and helps bind the bars. Substitute almond butter, cashew butter, sunflower seed butter, or tahini for a nut-free option.
- Vanilla extract: makes the bars taste sweeter and more like banana bread. Substitute cinnamon, pumpkin spice, or a little orange zest.
- Rolled oats: give the bars structure and make them a hearty make ahead breakfast. Use certified gluten-free oats if needed, or quick oats for a softer texture.
- Dark chocolate chips: add just enough sweetness without making these feel like dessert. Substitute chopped dark chocolate, chopped walnuts, pecans, raisins, dried cranberries, or cacao nibs for banana oat snack bars with a different texture and flavor.
How to Make Banana Oatmeal Bars
1. Make the banana oat mixture
Preheat the oven to 375°F (190°C). Line an 8×8-inch baking pan with parchment paper, leaving some overhang on two opposite sides to use as handles later.
Mash the ripe bananas in a large bowl until mostly smooth. Add the Greek yogurt, peanut butter, and vanilla extract, then stir until creamy and well combined.
Add the rolled oats and dark chocolate chips. Stir again until the mixture is evenly mixed and quite thick.
2. Press and bake
Transfer the mixture to the prepared pan. Spread it out evenly, then press the top firmly with the back of a spoon so the bars bake into an even layer.
Sprinkle a few extra chocolate chips on top, if you like.
Bake at 375°F (190°C) for 12 to 15 minutes, or until the center looks set and feels slightly firm. The bars will continue to firm up as they cool, so don’t overbake them.
3. Cool and slice
Let the banana bars with oats cool completely in the pan. This helps them slice cleanly and hold their shape.
Lift the bars out using the parchment paper, then cut into squares. Enjoy right away, or refrigerate them for an easy grab-and-go breakfast or snack throughout the week.
Tips
- Use very ripe bananas: Bananas with plenty of brown spots are sweeter, mash more easily, and give the bars the best flavor and moisture.
- Measure the mashed banana: Aim for about 1 cup. Too little can make the bars dry, while too much may keep them from setting properly.
- Choose rolled oats: Old-fashioned rolled oats give the best chewy texture. Quick oats work too but make the bars softer.
- Use thick Greek yogurt: Thick Greek yogurt is the secret to soft, moist bars that aren’t gummy. Low-fat, full-fat, and Skyr all work well.
- No Greek yogurt? Substitute ⅓ cup unsweetened applesauce or ½ cup mashed ripe banana (about 1 additional banana). Applesauce keeps the bars lighter, while extra banana makes them even softer with a stronger banana flavor.
- Use natural peanut butter: Stir it well before measuring so the oil is fully incorporated. Natural peanut butter gives the cleanest flavor.
- Press the mixture firmly: Use the back of a spoon or measuring cup to compact the mixture into an even layer so the bars hold together after baking.
- Don’t overbake: Bake just until the center is lightly set. The bars will continue to firm up as they cool, so there’s no need to leave them in longer.
- Cool before slicing: Let the bars cool completely for clean slices and the best texture.
- Store in the fridge: Keep the bars in an airtight container in the refrigerator for up to 1 week or freeze them for up to 3 months.
Frequently Asked Questions
Yes. Replace the Greek yogurt with ⅓ cup unsweetened applesauce or ½ cup mashed ripe banana (about 1 additional banana). Applesauce keeps the bars a little lighter, while extra banana makes them softer with an even stronger banana flavor.
Yes. Quick oats work well, but they’ll give your banana oat bars a softer, less chewy texture. Rolled oats are our favorite because they create sturdier bars that hold their shape better.
This recipe is easy to customize. Try chopped walnuts, pecans, raisins, dried cranberries, shredded coconut, pumpkin seeds, sunflower seeds, or chopped dark chocolate. Keep the total amount of add-ins to about ½ cup so the bars stay together.
Let the bars cool completely, then store them in an airtight container in the refrigerator for up to 1 week. They also freeze well for up to 3 months. They’re perfect for healthy banana snacks or a quick breakfast—just thaw overnight in the fridge or let them sit at room temperature for 10 minutes before enjoying.
The bars are done when the center looks set and feels slightly firm when gently pressed. Don’t wait for them to become hard in the oven. They will keep firming up as they cool, which keeps the texture soft and moist instead of dry.
They may need more cooling time. These bars slice best once they are completely cool, and even better after chilling in the fridge. Also, make sure to press the mixture firmly into the pan before baking so the oats, banana, yogurt, and peanut butter hold together.
Yes. Substitute almond butter, cashew butter, or sunflower seed butter. Sunflower seed butter is a good nut-free option, while almond butter gives these banana breakfast bars a milder flavor. For a lighter taste, tahini also works, but it will make the bars slightly more savory.
More Healthy Oat Snacks and Breakfast Treats
- Healthy Banana Cookies
- Healthy Breakfast Cookies
- Healthy Granola Bars
- No-Bake Oat Bars
- Banana Bread Energy Balls
- Peanut Butter Banana Overnight Oats
- Peanut Butter Banana Baked Oatmeal
- Healthy Banana Nut Muffins
For even more meal-prep inspiration, explore our favorite healthy make-ahead breakfast recipes.
If you try this Banana Oatmeal Bars Recipe please leave a 🌟 star rating and let us know how it turned out in the comments—we love hearing from you.
Banana Oatmeal Bars with Greek Yogurt (No Sugar)
Ingredients
- 2 ripe bananas 1 cup / 240 g mashed
- ⅓ cup Greek yogurt
- ⅓ cup peanut butter
- 1 teaspoon vanilla extract
- 2 cups rolled oats
- ¼ cup dark chocolate chips plus 1 tablespoon for topping
Instructions
- Prepare the batter: Preheat the oven to 375°F (190°C). Line an 8×8-inch baking pan with parchment paper, leaving some overhang on two sides.Mash 2 ripe bananas in a large bowl. Stir in ⅓ cup Greek yogurt, ⅓ cup peanut butter, and 1 teaspoon vanilla extract.Add 2 cups rolled oats and ¼ cup dark chocolate chips, then mix until a thick batter forms.
- Bake: Spread the mixture evenly in the prepared pan. Press it down firmly with the back of a spoon to compact it into an even layer, then sprinkle with a few extra chocolate chips, if you like. Bake at 375°F (190°C) for 12 to 15 minutes, or until the center is just set. Don't overbake—the bars will continue to firm up as they cool.
- Cool and slice: Let the bars cool completely in the pan. Lift them out using the parchment paper, cut into squares, and enjoy. Store leftovers in an airtight container in the refrigerator for up to 1 week.
Notes
- Bananas → Mashed sweet potato or pumpkin puree.
- Greek yogurt → Low-fat Greek yogurt, full-fat Greek yogurt, Skyr, unsweetened applesauce, or extra mashed ripe banana.
- Peanut butter → Almond butter, cashew butter, sunflower seed butter, or tahini.
- Vanilla extract → Cinnamon, pumpkin spice, or orange zest.
- Rolled oats → Certified gluten-free rolled oats or quick oats.
- Dark chocolate chips → Chopped dark chocolate, walnuts, pecans, raisins, dried cranberries, or cacao nibs.
- Use very ripe bananas: Brown spots mean sweeter, softer bars.
- Measure the banana: About 1 cup mashed gives the best texture.
- Choose rolled oats: They make the bars chewier than quick oats.
- Use thick Greek yogurt: Low-fat, full-fat, or Skyr all work well.
- No Greek yogurt? Swap in ⅓ cup applesauce or ½ cup mashed banana.
- Use natural peanut butter: Stir well before measuring.
- Press the mixture firmly: This helps the bars hold together.
- Don’t overbake: The bars will firm up as they cool.
- Cool completely: For clean slices and the best texture.
- Store chilled: Refrigerate for up to 1 week or freeze for up to 3 months.
Nutrition
Don’t Lose This Recipe
Enter your email to save this recipe. We’ll send it to your inbox, and you’ll also be subscribed to our FREE recipe newsletter. Unsubscribe anytime.
Hi! We are Nico & Louise
We're here to share easy, healthy, and delicious recipes 🌿✨.
Welcome to our blog, we are glad you are here.
Can’t wait to make these!! I use chopped dates instead of chocolate for my sister that doesn’t eat chocolate. Do I need baking soda or baking powder??
Hiya 😊 Chopped dates sound like a delicious substitute for the chocolate chips.
This recipe doesn’t use baking powder or baking soda. If you click “Jump to Recipe”, you’ll find the full ingredient list and step-by-step instructions.
I hope you and your sister enjoy the bars. Kindest,
Louise
Love them. I had everything on hand. But I used almon butter with sliced almonds. Can’t have chocolate.
Definitely a breakfast favorite
Hi Ro, Almond butter and sliced almonds sound like a delicious combo!! I’m happy they turned out well for you and that they’ve become a breakfast favorite.
Thanks so much for taking the time to share!
Hi Nico & Louise! Can’t wait to try this recipe. I have a question though. Where you say “Keep the total amount of add-ins to about ½ cup so the bars stay together,” does this 1/2 substitute/include other ingredients (such as the chocolate chips) or are they in addition to all the ingredients listed in your recipe? Thanks!
Hi Caroline, good question 🙂 The ½ cup refers to the total amount of optional add-ins, including chocolate chips. So if you swap the chocolate chips for something else, or use a mix of add-ins, just keep the combined amount to about ½ cup so the bars hold together well.
Hope you enjoy them. All the best,
Louise
These are delicious! Sweeter than I expected. Great texture.
I love your recipes . Natural ingredients and perfect for every age. I would love to see more . Keep it up 👍
Awesome!!!
Awesome taste & variety
Can sub dried fruits for chocolate chips.
Where is the recipe
Hiya Geri,
You can either scroll all the way down to the recipe box or just click “jump tp recipe” to get to the instructions in 1.5 seconds 🙂
Kindest,
Louise
Hi Louise n Nico perfect timing for our 4th of July celebration! I will be making the banana oatmeal bars and I’m thinking of making some healthy banana nice cream to either top the bar or make a ice cream sandwich with the bar or use it as the base for my banana split dessert I know it’s gonna be great all your recipes are spot on! Hey there again begging you please write a book it would be a huge success!
Stay cool I know you guys got the heat there too and have a happy weekend!
Best, Donna
Can’t have any kind of nut butter, is there a substitute?
Hi Pat! Sure – If you can’t have nut butter, you can use sunflower seed butter or tahini instead.
If using tahini, Nico HIHGLY recommends adding 2 tablespoons of honey or maple syrup to balance its slightly bitter flavor. We hope you enjoy the bars. Kindest,
Louise