
These banana oatmeal bars have become my go-to solution for busy mornings and hungry afternoons when I need something nutritious and satisfying without the fuss. The natural sweetness from ripe bananas pairs perfectly with hearty oats for a treat that feels indulgent while still being wholesome.
I first made these bars when trying to find a healthy breakfast option my children would actually eat before school. Now they request these weekly and even help mash the bananas which has become our special weekend baking ritual.
Ingredients
- Ripe bananas The riper with brown spots the better for maximum natural sweetness and easier mashing
- Rolled oats Choose thick cut old fashioned oats for the best texture rather than quick oats which can become mushy
- Honey or maple syrup Provides just enough additional sweetness while helping bind the bars together
- Large eggs Acts as the crucial binder that helps everything hold its shape
- Baking powder Gives a slight lift to prevent the bars from becoming too dense
- Vanilla extract Enhances all the flavors and adds wonderful aroma
Step-by-Step Instructions
- Preheat the Oven
- Set your oven to 350°F and allow it to fully preheat while you prepare the batter. This ensures even cooking from the moment the bars enter the oven.
- Mash the Bananas
- In a large mixing bowl use a fork to thoroughly mash the bananas until they reach a smooth consistency with minimal lumps. The riper your bananas the easier this process will be and the sweeter your bars will taste.
- Combine All Ingredients
- Add all remaining ingredients to your mashed bananas. Stir everything together with a sturdy wooden spoon or silicone spatula until the mixture is uniformly combined. Make sure no dry oats remain unmixed.
- Prepare Your Baking Dish
- Either generously grease your 8×8 inch baking dish with butter or coconut oil or line it with parchment paper leaving some overhang on the sides for easy removal later. The parchment method makes cleanup virtually nonexistent.
- Transfer and Spread Mixture
- Pour your oat mixture into the prepared dish and use a spatula to spread it evenly into all corners pressing down slightly to create an even surface. This ensures uniform baking and consistent texture throughout.
- Bake to Golden Perfection
- Place in your preheated oven and bake for 25 to 30 minutes until the top is golden brown and the edges begin to pull away slightly from the sides. A toothpick inserted into the center should come out mostly clean with perhaps a few moist crumbs.

My absolute favorite thing about this recipe is its versatility. My daughter loves when we add a handful of dark chocolate chips while my son prefers chopped walnuts. The time I added both along with shredded coconut became an instant family favorite that we now call our "kitchen sink" version.
Customization Options
These banana oatmeal bars welcome all kinds of delicious additions depending on your preferences. Consider folding in a half cup of chopped nuts like walnuts or pecans for added crunch and healthy fats. Dark chocolate chips make these feel more like a treat while still keeping them relatively wholesome. Dried fruits such as cranberries or raisins add chewy texture and natural sweetness. Warming spices like cinnamon or nutmeg complement the banana flavor beautifully.
Storage Recommendations
These bars maintain their best texture and flavor when stored in an airtight container at room temperature for up to 3 days. For longer storage refrigerate them for up to a week though they may become slightly firmer when chilled. To freeze wrap individual bars tightly in plastic wrap then place in a freezer bag. They thaw perfectly at room temperature in about an hour making them ideal for batch preparation.
Serving Suggestions
While these bars are perfect on their own I love serving them slightly warmed with a dollop of Greek yogurt and a drizzle of honey for a more substantial breakfast. For an afternoon snack pair with a small handful of nuts or a piece of fruit. They also make a wonderful base for a quick dessert when topped with a scoop of vanilla ice cream and a sprinkle of cinnamon.
Kid Friendly Tips
Getting children involved in making these bars has been a game changer in my house. Let little ones help mash the bananas a task they typically find enormously satisfying. Older kids can measure ingredients and stir the mixture. Having them participate in the cooking process dramatically increases the likelihood theyll actually eat and enjoy the final product. Consider using cookie cutters on the cooled bars to create fun shapes for younger children.
Recipe Q&A
- → Can I substitute eggs in these banana oatmeal bars?
Yes, you can substitute the eggs with flax eggs (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water per egg) or ¼ cup unsweetened applesauce per egg. The texture might be slightly different but still delicious.
- → How should I store banana oatmeal bars?
Store the bars in an airtight container at room temperature for 3-4 days. For longer storage, refrigerate for up to a week or freeze for up to 3 months. If freezing, separate layers with parchment paper.
- → Can I add mix-ins to these banana oatmeal bars?
Absolutely! These bars are highly customizable. Try adding ½ cup of chocolate chips, chopped nuts, dried fruits, or ¼ cup of nut butter. Fold them into the batter just before baking.
- → Are banana oatmeal bars healthy?
These bars contain wholesome ingredients like oats (providing fiber and complex carbohydrates) and bananas (offering potassium and natural sweetness). They're more nutritious than many commercial snack bars, especially when made with natural sweeteners like honey or maple syrup.
- → How ripe should the bananas be?
The bananas should be quite ripe with brown spots on the skin. Overripe bananas are ideal as they're sweeter, easier to mash, and provide better flavor to the bars. If your bananas aren't ripe enough, you might need to add extra sweetener.
- → Can I use quick oats instead of rolled oats?
Yes, you can substitute quick oats for rolled oats in equal amounts. Quick oats will give the bars a softer texture, while rolled oats provide more chewiness. Steel-cut oats aren't recommended as they require more liquid and longer cooking time.