Banana Blondies

These Banana Blondies with brown sugar frosting are out of this world delicious. They’re perfectly flavored with banana and literally melt in your mouth!

Looking for more Banana Recipes? Try my Chocolate Chip Banana Bread or my Banana Bread Crumb Cake!

Banana Blondies with Brown Butter Frosting

Banana Blondies Woth Brown Sugar Frosting

These are a great alternative to banana bread, and perfectly easy to make! They’re great to serve at parties, or for a sweet lunchbox treat!

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

How to Make These Amazing Banana Bars

Grab you a banana and some brown sugar.

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

Then melt your butter. Or brown it if you’re nasty.

Mix the butter and brown sugar together.

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

Mix in the rest of your ingredients…including the banana, that you need to mash, btw.

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

And then spread it in to a lined pan…

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

Bake it up for about 25 minutes. And if you want (you want) make some brown sugar frosting. It’s so yum. and when they’re cooled spread it all up on there…

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

I swear you need to make these. They are THAT good.

Browned Butter Banana Blondies. These are PERFECT blondies with a subtle banana flavor, topped with a brown sugar frosting that is INSANELY good!

If you like banana stuff, check out these other recipes I’ve got:

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Banana Blondies

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 89 reviews
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: 12 blondies 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American

Description

These Banana Blondies with brown sugar frosting are out of this world delicious. They’re perfectly flavored with banana and literally melt in your mouth!


Ingredients

Scale

Blondies

  • 1/2 cup butter, melted and if desired browned
  • 1 cup light brown sugar, packed
  • 1 egg
  • 1 1/2 teaspoon vanilla
  • 1/4 teaspoon kosher salt
  • 1 cup all purpose flour
  • 1/2 cup mashed banana (1 medium banana)

Brown Sugar Frosting

  • 1/4 cup butter
  • 1/2 cup light brown sugar
  • 2 tablespoon milk
  • 1 cup powdered sugar


Instructions

Blondies

  1. Preheat oven to 350°F. Line an 8×8 baking dish with parchment paper and coat with nonstick spray. Set aside
  2. In a large saucepan melt the butter (and if desired continue cooking the butter until it’s amber in color, stirring frequently *see note). Allow the butter to cool for 5 minutes and stir in the brown sugar, vanilla, and salt to combine. Stir in the egg until smooth and finally the flour and mashed banana. Spread in prepared pan.
  3. Bake for 30 minutes, or until the center is set.
  4. Transfer pan to wire rack to cool.
  5. Frost the blondies when they are mostly cooled.

Brown Sugar Frosting

  1. In a medium saucepan melt butter. Add brown sugar and milk and stir until mixture comes to just a boil. Remove from heat, allow to cool for 5 minutes.
  2. Stir in powdered sugar with a whisk.
  3. Spread on top of blondies and allow frosting to set and blondies to cool completely before cutting into squares.

Notes

If you choose to brown the butter, melt butter in saucepan and continue cooking, once it’s melted by swirling the butter in the pan until butter reaches a deep golden brown color.

Nutrition

  • Serving Size:
  • Calories: 151
  • Sugar: 20.1 g
  • Sodium: 128.2 mg
  • Fat: 4.8 g
  • Carbohydrates: 26.3 g
  • Protein: 1.8 g
  • Cholesterol: 11.9 mg

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250 comments on “Banana Blondies”

  1. Hi, I’m not used to Cup, may I ask you for the quantity of each ingredients in grams, please? 🙂 This dessert looks amazing!

  2. I followed the directions to a tee and the frosting turned into a burnt black mess. Hopefully the cake is edible.

  3. Absolutely delicious. I’m making them right now for the 4th time. Each and every time people love them. My only criticism is there are FAR from 16 normal servings. Even 12 seem small. Maybe I SHOULD only eat a 16th, but that ain’t gonna happen 🙂 lol

  4. Rachel Pemberton

    Could I add some oats for fibre and goodness??? How much do you think???
    They look amazing and can’t wait to try. Love your site. Thanx all the way from Perth Western Australia xxx

  5. Mine came out a little denser than those in your photos. The flavour’s delish though. Any suggestions for correcting the texture?

  6. Kelly Lombardo

    OMG, how could something so simple be so freaking AMAZING. I made these yesterday morning and by noon I had eaten at least 1/3 of them. I new I was in trouble so I had to give them to my handyman or I would have polished them off by the end of the day. I didn’t really make any changes other than adding a whole banana. I did the brown butter version for the batter only and it was nicely balanced with the banana flavor. The frosting is crazy good and super sweet, just how I like it.

  7. Just made these today for a charity bake sale at work. They smell and look amazing! Might have to whip up a batch for myself.The frosting is also delicious, a little too sweet for my liking though.

  8. Oh wow! Just got these out of the oven and frosted them with my cream cheese buttercream. ..these blondies are the real deal. Moist, delicious and with the right hint of banana! Definitely a keeper!

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