- VE
Sloane’s Table
March 15, 2026
Atsloanestable.com
These Nutella swirled brown butter banana blondies are a banana bread lover's dream! They're just as moist and packed full of banana flavor as classic banana bread, but with a dense, chewy texture and creamy Nutella in every bite.
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From the Cook
From the Cook
1/5
Instructions
1
Preheat the oven to 350 degrees F. Line a pullman or 9 inch square pan with parchment paper, leaving the ends hanging over the sides for easy removal.
2
In a medium bowl, combine the flour, baking powder, and salt. Set aside.
3
Brown the butter: In a small saucepan, add 227g (16 tbsp) of unsalted butter and place over medium heat. As the butter melts, stir it with a rubber spatula to encourage even cooking. Once the butter has fully melted, it will alternate between rapid large bubbles and gentle small foamy bubbles. The butter will be ready once it turns a dark golden color and the fat solids have darkened and settled at the bottom of the pan. Immediately pour into a large bowl, scraping out the fat solids at the bottom, and weigh out to 184g (13 tbsp).
4
To the brown butter, whisk in the brown sugar and granulated sugar. Then, vigorously whisk in the egg, egg yolk, and vanilla until fully combined.
5
On a medium plate, mash the bananas until smooth. Whisk the mashed bananas into the batter.
6
Add the dry ingredients to the batter and use a rubber spatula to fold until just combined.
7
Pour the batter into the prepared pan, then dollop the Nutella on top and use a toothpick to swirl it in.
8
Bake the banana blondies for about 30 minutes until evenly golden. Allow them to cool completely in the pan before removing and cutting into 16 squares.
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Tips & Tricks (5)
- Brown Your Butter for Depth 🧈Cook the butter until it turns golden with a nutty aroma before mixing into your batter—this adds a sophisticated complexity that elevates the banana and Nutella flavors beyond standard blondies.
- Swirl Nutella at the Right Stage 🌀Drop Nutella dollops into the batter just before baking and use a toothpick to create swirls, but don't overmix—this keeps the chocolate-hazelnut layers distinct and prevents the batter from becoming dense or greasy.
- Use Ripe Bananas for Moisture 🍌Choose bananas with brown spots and mash them thoroughly until no lumps remain; overripe bananas provide maximum moisture and natural sweetness, reducing the need for extra sugar and keeping blondies chewy.
- Don't Overbake—Underbake Slightly ⏱️Remove blondies when a toothpick inserted comes out with just a few moist crumbs (not completely clean)—they'll continue cooking as they cool, resulting in that perfect dense, chewy texture rather than dry and cakey.
- Separate Your Eggs for Lift 🥚Use both whole eggs and an extra yolk; the yolk adds richness and moisture while the whole eggs provide structure, creating a better crumb that's tender yet holds together beautifully when sliced.
Recipe Facts
Diet at a Glance
Vegetarian
My Calorie Intake
Smart Nutrition 
Nutrition Per Serving
Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Glycemic Analysis
Glycemic Index
Glycemic Load
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