If you’re staring down a pile of bananas that have gone just a little too brown on the counter, stop right there! You need these Banana Chocolate Chunk Bars immediately. I’m Anna Kowalska, and here I share tried-and-true homemade recipes that you and your family will love; trust me, everything I post here is made with heart and flavor. I’ve spent years perfecting simple desserts, and this recipe is my go-to when I need something satisfyingly sweet without spending hours in the kitchen. This is my promise to you: these bars are incredibly quick to throw together, but the flavor tastes like you spent all afternoon perfecting them. That rich, moist banana base paired with those pockets of melted dark chocolate? Wow. They have become a staple in my house, especially when I need a quick contribution to a potluck. I’ve poured my experience into making sure this recipe is foolproof, so you get amazing results every single time you bake.
Jump to:
Gathering What You Need for Banana Chocolate Chunk Bars
Baking these bars is genuinely easy, which is why they are a weeknight favorite around here. You don’t need a pantry full of specialty items, just a few simple things you likely already have. The secret to maximizing flavor here is using those sad, spotty bananas—the browner they are, the sweeter they taste! Remember, we’re aiming for maximum flavor payoff with minimum fuss. When you get ready to bake, make sure you have everything measured out before you start mixing. It keeps things smooth, and honestly, it’s less stressful that way. Now, let’s look at exactly what you need to pull these delicious treats together.
Essential Ingredients List for Banana Chocolate Chunk Bars
You’ll need one and a half cups of regular all-purpose flour to form the base structure for these bars. For sweetness, grab three-quarters of a cup of packed brown sugar; that molasses flavor is key! Baking soda and salt are your leaveners and flavor enhancers, so make sure you have half a teaspoon of the soda and a quarter teaspoon of salt ready. For the fat, use half a cup of unsalted butter, melted until it’s completely liquid. You must have two very ripe mashed bananas—I mean, almost black on the outside! One large egg helps bind everything together. Then come the stars: three-quarters of a cup of chocolate chunks for mixing right into the batter. Finally, you’ll need a quarter cup of chocolate to melt down for that beautiful drizzle on top.
Necessary Equipment for Baking Banana Chocolate Chunk Bars
You don’t need fancy equipment, thank goodness! Start with a couple of good mixing bowls—one for your dry stuff and one for everything else. You’ll need a whisk or a sturdy fork for combining the dry ingredients. A rubber spatula is perfect for folding everything together gently at the end. The most important piece of equipment is your baking dish. I generally use an 8×8 inch square baking pan, but a 9×9 inch will work too, though your bars will be thinner. Make sure you have a small, microwave-safe bowl or a double boiler handy for melting that final topping chocolate.
Mastering the Preparation of Banana Chocolate Chunk Bars
Okay, now that we have all our ingredients lined up, let’s get baking! This recipe moves quickly, so have everything ready to go. We’re aiming for that perfect balance: moist and tender, but sturdy enough to pick up like a real bar, not a floppy cake. Don’t worry if the batter looks thick; that’s exactly what we want for these Banana Chocolate Chunk Bars.
Initial Steps: Preheating and Combining Dry Ingredients
First things first, get your oven warmed up! Set that temperature to 350 degrees Fahrenheit, or 175 Celsius if you use the metric system. While it’s heating, take a moment to prepare your baking dish. I usually spray mine lightly with non-stick spray and then lay down a sheet of parchment paper, leaving an overhang on two sides. That overhang is my little trick for easy lifting later—trust me, it saves your manicure! Once the pan is ready, grab your first mixing bowl. Whisk together the flour, the brown sugar, the baking soda, and the salt. Whisking is important here because it helps distribute the baking soda evenly, which means your bars rise nicely and consistently.
Mixing Wet Components and Forming the Batter for Banana Chocolate Chunk Bars
Now for the wet ingredients! In a separate bowl, you’ll combine your melted butter, those two beautifully mashed bananas, and your single egg. Give that a quick stir just to get it incorporated. Next, pour this wet mixture right into your dry ingredients. This is where you need to listen closely to my number one rule: Mix until *just* combined. I mean it! If you see a few streaks of flour left, stop mixing. Overmixing develops the gluten in the flour, and that turns your soft, tender bars into something tough. We want tender! After you stop mixing the batter, gently fold in those three-quarters of a cup of chocolate chunks. Fold them, don’t beat them in!
Baking and Cooling Your Banana Chocolate Chunk Bars
Spread that thick batter evenly into your prepared pan. Use your spatula to smooth the top so it bakes flat. Pop it into the preheated oven and set your timer for 30 minutes. After 30 minutes, check it. It should look golden brown around the edges. Now, here is the hardest part: cooling. You absolutely must let these bars cool completely before you even think about pouring the topping on. If they are warm, the melted chocolate topping will soak right into the cakey part, and we want a nice, distinct layer on top. Seriously, walk away for at least an hour. Patience pays off!
The Final Touch: Topping Your Banana Chocolate Chunk Bars
Once they are totally cool—and I mean cool to the touch—it’s time for the grand finale. Take that final quarter cup of chocolate and melt it until it’s smooth and glossy. You can do this in the microwave in 20-second bursts, stirring in between, or over a double boiler. When it’s perfect, drizzle it all over the top of the cooled bars. I like to use a fork to make zig-zags, but a simple pour works too! Let that topping set up for about 15 minutes, then use those parchment paper overhangs to lift the whole slab out and slice them into 12 beautiful bars.
Why You Will Enjoy These Banana Chocolate Chunk Bars
If you need a dessert that tastes homemade but doesn’t demand your entire afternoon, these are for you! I designed this recipe to be fast, forgiving, and absolutely delicious. They hit that perfect spot between a dense brownie and a soft cake, and the banana flavor is just incredible.
- They come together faster than you can decide what movie to watch.
- They use up those brown bananas that are about to go bad—no waste!
- The combination of moist banana cake with rich chocolate chunks is just heavenly.
- They are sturdy enough for lunchboxes or picnics without falling apart.
- The simple melted chocolate drizzle makes them look fancy when they are secretly easy.
Tips for Perfect Banana Chocolate Chunk Bars
Getting these bars perfect every time really just comes down to a few small things I learned through trial and error. First and foremost, if you take away anything from this recipe, let it be the banana rule. You want those bananas looking defeated—black, soft, and nearly liquid. If they are only yellow with a few brown spots, they won’t provide enough moisture or that deep, sweet banana flavor we crave in these Banana Chocolate Chunk Bars.
Next, when you combine the wet and dry ingredients, please, please do not use an electric mixer for that step! Use a spatula or a wooden spoon and stop mixing the second the flour disappears. If you beat that batter, you’ll end up with tough, chewy bars instead of the tender, cake-like texture we want. It’s tempting to mix until it looks perfectly uniform, but resist that urge! If you are interested in learning more about the science behind gluten development in baking, you can check out resources on baking science.
Finally, the topping chocolate needs time. If you try to slice these while they are even slightly warm, that drizzle will smear everywhere, and you won’t get that nice snap when you bite into it. Let them cool completely, or even pop the whole thing in the fridge for 30 minutes before slicing. It makes cutting them into clean squares so much easier! For other quick baking projects, you might enjoy my recipe for the best zucchini bread recipe.
Storing and Reheating Your Banana Chocolate Chunk Bars
One of the best things about these bars is that they actually taste better the next day! The slight spice and banana flavor really deepen up overnight. Because they are so moist, they store beautifully, but you do need to keep them covered so they don’t dry out or absorb any weird fridge smells. I usually just leave them right on the counter if I know we’ll finish them within a couple of days. If you made a huge batch—and honestly, who wouldn’t?—you can definitely pop them in the freezer for longer storage. If you are looking for other great make-ahead desserts, check out my eggless chocolate fudge brownies.
When you freeze them, make sure they are completely cooled and the chocolate topping is set firm. I like to separate the bars with small squares of parchment paper before stacking them in an airtight container. This stops the chocolate tops from sticking together when they thaw. If you freeze them layered like that, they come apart easily later!
Reheating is super simple, though I rarely bother because they are fantastic at room temperature or chilled. If you want that gooey, just-out-of-the-oven feel, just pop one bar on a microwave-safe plate for about 10 to 15 seconds. That little blast of warmth makes the chocolate chunks inside turn melty again. Here is a quick guide for keeping your leftovers perfect:
| Storage Method | Duration | Best For |
|---|---|---|
| Airtight Container (Countertop) | Up to 3 days | Immediate snacking, best natural flavor |
| Airtight Container (Refrigerator) | Up to 1 week | Keeping them extra firm and dense |
| Freezer (Airtight, separated by parchment) | Up to 3 months | Long-term storage, great for batch baking |
Frequently Asked Questions About Banana Chocolate Chunk Bars
I get so many questions whenever I post these beauties on social media, so let me clear up a few things about making the best chocolate banana bars!
Someone asked me the other day if they could substitute applesauce for the mashed bananas to make them healthier. While applesauce adds moisture, if you do that, you lose the entire signature banana flavor that makes these bars so special. I highly recommend sticking to those very ripe bananas; they are the backbone of the flavor profile in these baked banana treats. If you absolutely must substitute, try using canned pumpkin puree instead, but know that the flavor will shift completely away from that classic banana taste.
Another common question I see is about the chocolate chunks versus chips. Chips are designed to hold their shape perfectly, but chunks melt a little more beautifully and create those lovely, gooey pockets throughout the bar. If you only have chips, go ahead and use them, but if you have a choice, go for chunks or even chop up a nice bar of semi-sweet chocolate yourself! That little bit of extra effort is worth it for the texture contrast.
People often wonder about making these vegan. It’s pretty straightforward! You can easily swap out the egg for a flax egg—just one tablespoon of ground flaxseed mixed with three tablespoons of water, letting it sit for five minutes to gel. The butter can be replaced with an equal amount of melted coconut oil or a good quality vegan butter stick. They turn out just as moist, making for fantastic vegan chocolate banana bars! For more baking substitutions, you can look up guides on egg and dairy substitutions in baking.
Finally, folks ask if they can skip the chocolate drizzle on top. Of course, you can! They are delicious plain, especially if you fold a little cinnamon into the batter. However, I always suggest waiting until the bars are completely cool if you skip the drizzle. If you try to cut them warm, they tend to crumble because the structure hasn’t fully set up yet, even without that final layer of chocolate holding things together.
Understanding the Estimated Nutrition for Banana Chocolate Chunk Bars
I always like to give you a general idea of what’s in these wonderful treats, though please remember that baking is an art, not an exact science! Since we are using real ingredients like butter and rich chocolate chunks, these are certainly a treat, not a diet food, but they are worth every single bite. The sugar content comes mostly from the ripe bananas and the brown sugar, giving you that satisfying sweetness.
This breakdown is based on slicing the recipe into 12 even servings, which is how I usually cut them for the kids’ after-school snacks. If you cut them smaller or larger, of course, the numbers will shift. These estimates help give you a good baseline for what you are enjoying. If you are tracking macros, you might find my recipe for 3-ingredient banana oat cookies helpful for a lighter option.
| Nutrient | Amount Per Bar |
|---|---|
| Serving Size | 1 bar |
| Calories | 220 |
| Sugar | 18g |
| Fat | 12g |
| Saturated Fat | 7g |
| Carbohydrates | 28g |
| Protein | 3g |
Just a quick note—these values are calculated estimates based on the standard ingredients listed. If you use different brands of chocolate or swap out the butter for coconut oil, the final nutritional content will naturally change a little bit. Enjoy them guilt-free; they are made with love, after all!
Share Your Experience Making Banana Chocolate Chunk Bars
I truly hope you loved baking these easy bars as much as I do! If you made these Banana Chocolate Chunk Bars, please come back and tell me all about it. Did they disappear fast? Did you add walnuts? Leave a rating below so other folks know they are worth trying!
Print
Amazing 12 Banana Chocolate Chunk Bars
- Total Time: 45 minutes
- Yield: 12 bars 1x
- Diet: Vegetarian
Description
These Banana Chocolate Chunk Bars deliver a sweet, satisfying treat using ripe bananas and rich chocolate chunks. They are simple to bake and perfect for an everyday dessert.
Ingredients
- 1 ½ cups all-purpose flour
- ¾ cup brown sugar
- ½ teaspoon baking soda
- ¼ teaspoon salt
- ½ cup unsalted butter (melted)
- 2 ripe mashed bananas
- 1 egg
- ¾ cup chocolate chunks (for bars)
- ¼ cup melted chocolate (for topping)
Instructions
- Preheat your oven to 350°F (175°C). Prepare a baking dish.
- In a bowl, mix the flour, brown sugar, baking soda, and salt.
- Add the melted butter, mashed bananas, and egg to the dry ingredients. Mix until just combined.
- Gently fold in the ¾ cup of chocolate chunks.
- Spread the batter evenly into your prepared baking dish.
- Bake for 30 minutes.
- Let the bars cool completely after removing them from the oven.
- Drizzle the ¼ cup of melted chocolate over the cooled bars.
Notes
- Use very ripe bananas for the best flavor and moisture.
- Do not overmix the batter after adding the flour.
- Allow the bars to cool fully before adding the topping chocolate; this prevents the chocolate from soaking in too much.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 220
- Sugar: 18g
- Sodium: 90mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 30mg



