Banana Blondies

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Banana Blondies are sweet and delicious. They’re so soft they almost melt in your mouth. The brown butter frosting takes them to extra yummy levels too!

Banana Blondies - Life In The Lofthouse (1)

I promised on Instagramthat delicious things would be happening today and so here is that promise being fulfilled. I give youBANANA BLONDIES aka. the tastiest banana bars you will ever encounter.

These Banana Blondies are so good. They’re so soft, sweet and delicious. They almost melt in your mouth. The sweet frosting is browned-butter frosting. Yep, I told you they are amazing. Don’t even ask me how many I ate. 😉

I can’t think of a better way to use those ripe bananas sitting on your kitchen counter! This recipe makes a 9×13-inch pan. I cut my banana bars pretty big for the photos, but you can cut them smaller to feed a lot of people. That is, if you’re willing to share.

Banana Blondies - Life In The Lofthouse (2)

MORE DELICIOUS RECIPES YOU MAY LIKE:

Sugar Cookie Bars

Apple Crumble Bars

Lunch Lady Peanut Butter Bars

Cheesecake Chocolate Chip Cookie Bars

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4.82 from 33 votes

Prep Time 15 minutes minutes

Cook Time 25 minutes minutes

Servings 24

Author Holly

Ingredients

Banana Blondies

1 cup salted butter melted
1 ½ cups packed light brown sugar
2 large eggs
2 teaspoons vanilla
1/4 teaspoon salt
2 cups all-purpose flour
1 cup mashed banana (about 2 medium bananas)

Brown Butter Frosting

1/4 cup salted butter
1/2 cup packed light brown sugar
2 Tablespoons milk
1 cup powdered sugar

Instructions

Banana Blondies

Preheat oven to 350°F. Line a 9×13-inch baking dish with parchment paper then spray paper with cooking spray. Set aside.
In the bowl of an electric stand mixer, add melted butter and sugar. Mix until combined. Add in eggs and vanilla and continue mixing until incorporated. Stir in salt, flour and banana until batter is smooth. Spread evenly in prepared pan.
Bake for 25 to 30 minutes, or until center is set. Remove from oven and allow blondies to fully cool before frosting.

Brown Butter Frosting

In a medium saucepan, melt butter over medium-low heat until butter starts to barely brown and becomes very aromatic (about 5 minutes or so).
Add the brown sugar and milk to butter. Stir until mixture comes to just a boil. Remove from heat, allow to cool for 5 minutes. Whisk in powdered sugar until combined.
Spread frosting over cooled blondies. Allow frosting to set before cutting into squares. Enjoy!

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I have a bunch of brown bananas on my counter right now and I told my kids tonight when they get home we were going to make banana bread. I might have to rethink that now and make these instead! They look delicious! You rock Holly!
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1. Thanks Dana! Enjoy! 🙂
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  1. Yum
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2. Mine came out BEYOND sweet! I must’ve done something wrong. I didn’t even put in all the brown sugar the recipe called for.
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Have just cooked, very good recepie!
(Though nothing beats for me Holy’s no bake banana cheesecake)
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Made these last week. The BEST use of old bananas!!!! My son took them to high school and shared. The kids said these blew away anything that Starbucks sells. They were awesome!! Thanks for sharing!
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1. Thank you so much! Glad they were a hit 🙂
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My boyfriend would absolutely love these! What a great idea to use up left over bananas instead of making banana bread. Definitely going to give these a go instead of throwing my bananas away!
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Just made these. They were amazing! My whole family loved them!
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do you refrigerate these? Serve warm, chilled, or room temp?
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Hi, sounds delicious ~ do you “Pack” your brown sugar for both?
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1. Yes!
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2. I packed It!
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These were a HUGE hit tonight! No more black bananas on the counter 🙂
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1. Yay Jen! So glad they were a hit!
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I was looking for a way to use up my old bananas without making banana bread or muffins AGAIN. Glad I came across this. OMG so good!! My 5 year old loved them!! Next time I need to bring something to an event I am making these!!!
I won’t be happy when I step on the scale…I can’t stop eating them
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1. haha! I loved them just as much 😀 I had to take a plate over to my neighbors to get them out of my house! lol
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I made these and they were more cakey than a bar but still good. I refrigerated them and the icing got really hard. If I took them out to get to room temp, would that work? I have to make them a day ahead for a group.
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1. Yes, these are fine to sit out and let them come to room temp. 🙂
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What’s the purpose of the foil liked baking dish? Can they be made with just a greased glass 9×13?
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1. I use the foil for easy clean-up! But just greasing it works too 🙂
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Oh my goodness these are delicious!! I halved the recipe but added a little extra mashed banana, ’cause why not. So moist and tasty…thank you!
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In the process of making the banana blondes. Waiting for them to cool so I can make icing. The smell was divine and filled the house. If they taste as good as they smell this is going to be a winner. So over banana breadsticks. Haha!
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My husband isn’t a huge sweets guy, only banana desserts and ice cream. This is the first dessert I’ve made that he loves and gobbled up!!! They are amazing!! Thank you! Now I know what to do from now on with my old bananas!!!
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Just found your recipe. It’s delicious! I added pecans on top for crunch and another layer of flavor. The perfect marriage between banana bread and blondies 🙂
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How long can I let premade batter sit before baking.
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1. I’m sure a few hours covered in the fridge would be fine. Maybe over night but I wouldnt let it sit any longer than that.
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Has anyone used GF flour and the vegan/soy free butter?
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I made these and they were just ok. For me, 2 cups sugar AND bananas (which contain lots of natural sugar) AND frosting made these too sweet. I feel like they need more salty balance to be a delicious dessert (toffee? salted caramel?). Maybe bittersweet chocolate ganache on top instead. They are quite cakey, rather than bar-like. I also suspect they could be done with less butter. Still, I like the banana idea.
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My sister loves bananas, and I hate them, so I’m always worried whether or not all the banana pastries I make will get eaten. Not anymore! These are beyond scrumptious! Thank you!
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These look delicious and are in the oven now! What is the beat way to store thEse after theyve been baked and frosted?
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1. I hope you enjoy them Sam! we love these bars so much. I personally like to store them in the fridge because I love them cold. But you can store them covered at room temperature too.
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  1. The best blondie recipe ever!! Thank you! 🙂
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I just made these and they are delish! Im so happy i stumbled upon this recipe. I cut 1/2 the butter with applesauce and reduced the sugar a bit and they’re fantastic! The icing is amazing!
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Loved this recipe. Due to the virus we have been secluded for many weeks. I was craving a donut. This satisfied that craving. Moist, just enough icing. So tasty. Thank you
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1. I had some old bananas on my counter, googled what to do with them lol… your banana blondies come up & I’ve made them 3 times since. they are sooo delicious!! my neighbor wants them all the time haahaa. thank you for sharing
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Made this 3 times this werk its amazing! Add an extra banAna and scoop of sour cream
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OMG… SOo delicious!!! We added an extra Banana so its definitely banana Flavored, but SOooo moist and creamY and delicious!!! And Im a chocoLatE loveR lol.
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They Were quick about 15 min to make and i Used up 3 baNanas. Very moist then The frosting Was really what made it special and delicious. 4.5 stars because the cut edges Dried a little.
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This recipe seems awesome, I’m definitely going to Make this!
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I made these twice and so delicious. Made for the 4th of July. These were a hit with the family.
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I don’t have light-brown sugar. Is it okay to use regular brown sugar??
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1. Yes that will work fine 🙂
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  1. Great! Thank you 🙂
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Made it. Extra banana. Unexpected. Texture. Flavor. Tasty. Thank you. 🙂
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I was looking for an alternative to banana bread to use up my aging bananas. I am so glad i found this recipe! I made These intO individual portions in Cupcake liners in my muffin pan. They are diVine. And, the brown butter frosting makes them extra special. The kids loved them. (There’s potassium in bananas, so it’s a healthy snack, right? ) I will definitely make tHese again.
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MaDe These this evening. Moist and yummy. It’s more Cakey than expected (not airy) buT a niCe rich, thick, decadent textUre. The icing was very sweet so eitheR reduce the sugar or leave it off to the side. We ended Up scraping some off Since we glazed tHe Whole thing. Overall, the blondies got a
Thumbs Up fRom the fam!
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Love these. We love bananas so I used 4 in the recipe.
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These are so good but very sweet! if you want to break up the sweet, i added sliced strwberries and blueberries to the top of mine and it was super tasty. it kind of made it into a fruit pizza but it was still amazing without the addition.
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Fantastic –perfect use for brown bananas. recipe was easy to make and the finished product was thoroughly enjoyed by the fam. we will be making these again (and again)!
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I was looking for a recipe to keep two very ripe bananas from going to waste. Not The usual banana bread or muffins. I happened onto this recipe. These blondies are very sweet, but so delicious! I especially love the browned slightly crispy edges. I added sprinkles because I’m taking them to give to some family and friends. I think I’ll try adding some chopped walnuts next time. Lovely recipe! Fast and easy!!
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Absolutely divine…hands down my new “go to” with ripe bananas!
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1. Just made them with almonds. My hubbys favorite banana and walnuts! Ill let you know! They smell amazing and the frosting yum!
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I cant say what these are like exactly as wrItten in the recipe, but i made them with a few modifications and they are amazing! I used half the butter and only one cup of sugar in the batter. Also added an extra banana. Finally, i omitted the brown sugar in the icing. I dont typically like super sweet desserts, and had Read a few reviews that they were too sugary for some people. They were just the right amount of sweetness for me this way with a perfect denSe texture. Loved it and will be making again and again!
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I had a few bananas in the fruit bowl and I seen where you recently posted this recipe for frosted banana bars. So decided to make them followed the recipe as you wrote and they came out great. The recipe was very easy to make. Once they cooled and I cut them into bars and gave family members a bar all I heard was WOW these are awesome. So I will be making another pan real soon. Thank you for sharing.
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1. so I am trying the recipe but making a few additions like chocolate chips, walnuts and a few white chocolate chips. will let you know how it goes
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I HAD RIPE BANANAS AND WAS TIRED OF BANANA BREAD. I FOUND THIS RECIPE. IT IS EASY AND ABSOLUTELY DELICIOUS!!! THE FROSTING TASTES LIKE MY MOM’S HOMEMADE SOFT CARAMELS SHE MAKES AT CHRSTMAS. I MAY HAVE EATEN A COUPLE SPOONFULS OF FROSTING WHILE THE BARS COOLED. WILL DEFINITELY MAKE THESE AGAIN!!
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I, too, was looking for an alternative to banana bread and am so happy I found this. Normally I steer away from recipes that are two part or I leave off the icing. But this was so easy! I didn’t pack my brown butter, and I ended up only doing about 2/3c of powdered sugar because that’s all I had left, but it was amazing! So moist, flavorful, and yummy. Agree these were more like a dense cake than a bar, but no one here complained! Thanks for the great recipe!
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What about adding CHOCOLATE chips?
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1. You could definitely add chocolate chips to the batter. I would fold in about a cup or a little less to the batter before pouring it into the pan to bake. 🙂
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Made these tonight just as directed (except added a 3rd banana). They were Easy to make, cooked nicely and everyone loved them. Ill add these to my rotation for the fute. Thank yOu.
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These came out PERFECT! Thanks for an amazing recipe!! We love them!! They DEFINITELY melt in your mouth!
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Just made these today. So delicious. Better than starbucks.
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They taste great but I dont know if they need to be refrigerated or are they ok to leave out in an airtight container?
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1. You can leave them out on the counter in an airtight container 🙂
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So moist and the frosting is soooo good. They are great room temperature or even chilled. I love this recipe! The family loves it and so do all of the guys where my husband works! Thank you so much! This will be a go to dessert for all my family events.
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Amazing!! The batch I did came out perfectly!!
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Came out very good, husband loved them. Very Easy recipe holly. Thank you so much. Will definitely be saving this recipe
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Absolutely blown away with this recipe. So simple yet so delicious. I’m so glad to have found another use for old bananas rather than the same old banana cake/bread. Was a hit with the family.
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loved these for an alternative to banana bread. I used 4 smallish very OVERRIPE bananas (just slightly more than a cup), and oat milk instead of cow’s milk. I added vanilla to the frosting and sprinkled the blondies with raw sugar, pink Himalayan salt, and a roasted butter pecan topping that gave them just the right crunch and saltiness that balanced out the sweetness. very decadent and delicious, my son ate them right up!
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I read all of the reviews before deciding if I wanted to make this. I decided to not pack down my brown sugar for the blondies but did for the icing. I am so glad I made these. they were wonderful. I had bananas to use up and the thought of banana bread or muffins seemed blah to me. I did not find these to be too sweet. I’ve never cooked icing on the stove so that was new for me. it was delicious. thanks for the recipe, I’m sure I’ll make it again
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Loved how easy these were to make, love, love, love that frosting. I saw other reviewers didn’t like the sweetness, but I do!
I had one and a half over ripe bananas, and I added a couple of tablespoons of peanut butter, and 3/4 cup butterscotch chips. These are fantastic!
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Absolutely Delicious! I decided not to make the icing. Tastes Great without it
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These were great! Made them gluten free with Bob’s 1:1. Thanks for this RECIPE!
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1st time trying these, and they are amazing! I Shared these at a gathering recently, and they were a hit! thanks for sharing!
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Oh goodness!!! This recipe is delicious!!! Thank you for the idea of what to do with my “past their prime” bananas.
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