Nutella Brown Butter Blondies

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These Nutella Brown Butter Blondies are more than just dessert. They’re a little slice of comfort. I first made them on a rainy afternoon when I needed something cozy and indulgent. Now they’ve become a family favorite. The crackly top gives way to a gooey, rich center swirl with Nutella and browned butter.

I love to make portable, packable snacks like my twix bar cookie or my salted caramel cookie bars. Try them when you want a delicious treat.

Two thick Brown Butter Blondies with a chocolate swirl on top are stacked on a white plate, with crumbs scattered around them.

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Why this Nutella Brown Butter Blondies Recipe is a Keeper

Brown butter elevates the flavor to new caramel-nutty heights, while Nutella adds that rich, indulgent surprise that my family just loves. It is a easy pan-bake that feels luxe.

  • Perfect Texture: They strike the ideal balance – fudgy and dense in the center, with slightly chewy edges, and often a delightful crinkly top. The fat content from the butter and Nutella contributes to this desirable chewiness.
  • Easy Elegance: While they taste incredibly gourmet, the actual process is straightforward. Browning butter is a simple technique that yields huge flavor dividends, making these an impressive dessert without excessive effort.
  • Crowd-Pleaser: The familiar comfort of Nutella combined with the elevated taste of brown butter makes these universally loved. They disappear quickly at potlucks, parties, or simply as a family treat.
  • Versatile: They’re rich enough to be served on their own, but also pair beautifully with ice cream, a dusting of powdered sugar, or a dollop of whipped cream.
  • Pantry-Friendly: Most ingredients are likely already in your kitchen, making them an easy go-to for a delicious dessert.

Should Nutella be Dolloped in Frozen or at Room Temp (Swirled vs Stuffed)? 

A plate with two squares next to a brown mug of black coffee; more bars are on a wooden board in the background.

It’s best to dollop room temperature Nutella so that it can easily be swirled with a knife. However, you can use frozen dollops for stuffed blondies.

What Reader’s Are Saying…
⭐⭐⭐⭐⭐

“What a delicious combination. Nutella seems to have been created to meld with blondies! So delicious!”
~ Glenda

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Ingredient Notes for the Best Blondies

All of the required ingredients are easy to find at the store, but some of the ingredients may be around the kitchen already.

Get the full printable recipe with specific measurements and directions in the recipe card below.

Baking ingredients on a marble surface: flour, butter, baking powder, eggs, vanilla extract, brown sugar, and chocolate spread—all ready to make delicious treats.
  • Butter: Brown unsalted butter until it’s foamy, has a nutty aroma and golden brown bits.
  • Nutella: Use frozen dollops for stuffed bars or room-temperature for swirls in hazelnut recipes.
  • Brown Sugar: I like to use light brown sugar, but you can use dark brown sugar for a richer flavor.

Variations and Substitutions for the Brown Butter Brownies

There’s a couple different swaps you can make to make this blonde brownie recipe extra delicious.

  • Add-Ins: Add chopped hazelnuts to chocolate chip cookies for extra texture
  • Sea Salt: Sprinkle flaky salt on top for contrast.
  • Chocolate Chips: Add in milk chocolate chips, semi-sweet chocolate chips, white chocolate chips, dark chocolate or butterscotch chips for extra flavor. Feel free to use chopped chocolate chunks for chocolate puddles.
  • Gluten-Free: Use your favorite GF flour blend for this blonde brownies recipe.
  • Topping: Use melted chocolate, like bittersweet chocolate, to add chocolate to the tops of the blondies.
  • Vegan Alternative: Use plant-based butter and egg replacer to make these one bowl brown butter blondies.

Special Equipment Needed to Make Brown Butter Blondies

To make this chocolate chip blondies recipe, you will need a couple different kitchen items to make it just right.

  • Heavy-Bottomed Saucepan: You will need a large saucepan to brown the butter.
  • Baking Pan: An 8×8 (or 9×9) pan lined with parchment paper is perfect for making this brown butter blondie recipe.
  • Mixer: Quickly and easily mix the ingredients with an electric mixer.

How to Make these Brown Butter Blondies

In just 5 steps, you can have your very own batch of blondies. This recipe takes just a little effort but the results are well worth it.

Get the full printable recipe with specific measurements and directions in the recipe card below.

Four-panel image showing steps 1) flour mixture with a whisk, 2) brown sugar and melted butter being whisked, 3) mixed wet ingredients with eggs nearby, 4) creamy batter fully blended in a bowl.
  1. Preheat Oven and Prep Pan: Preheat the oven, and butter a square baking pan. Be sure to line the bottom and two sides with parchment paper.
  2. Brown the Butter: In a large pot, brown the butter over medium heat. Remove from heat and add the brown sugar and vanilla. In the meantime, mix the all-purpose flour, baking powder and salt in a large bowl.
  3. Make the Batter: Use a mixer to whip in the eggs. When light and fluffy, add the dry ingredients. Mix until there are no lumps remaining.
  4. Add the Nutella: Evenly spread the batter in the bottom of the pan. By the spoonful, dollop the Nutella evenly over the top and drag a knife through to swirl it. Bake until the edges are golden brown and the middle is slightly gooey. Let cool for 2 hours before cutting.
Three-step process of making batter in a pan, dollops of Nutella added, and Nutella swirled into the surface before baking.

Prep Ahead Suggestions for Chewy Brown Butter Blondies

To streamline your baking process, here are some ways you can prep these brownies in advance:

  • Brown Butter: Brown your butter a day or two in advance. Once it’s browned and cooled, you can store it in an airtight container in the refrigerator. Before using, gently re-melt it over low heat or in the microwave until just liquid again.
  • Dry Ingredients: Whisk together your flour, cocoa powder, salt, and baking powder (if using) in a large mixing bowl. Cover and set aside until ready to combine with the wet ingredients.
  • Pre-Measured Ingredients: Measure out all your ingredients (wet and dry) into separate bowls or containers. This “mise en place” makes assembly incredibly quick and stress-free.
  • Prepare Pan: Line your baking pan with parchment paper, leaving an overhang on the sides. This makes lifting the cooled brownies out incredibly easy. You can do this hours or even a day before baking.

How to Store, Reheat and Use Leftover Brownies

  • Storing: Once the blondies are completely cooled, cut them into squares. Store them in an airtight container at room temperature.They will stay fresh for 3-4 days.
  • Reheating: Place an individual blondie on a microwave-safe plate. Heat on medium power for 5-15 seconds, depending on your microwave’s strength and how warm you want it.
  • Using Leftovers: Use brown butter flavor chewy blondies for making sundaes, trifles and bread pudding.

Common Questions About This Hazelnut Recipe

My Brownies are Too Dry/Cakey. What went Wrong?

The most common reason for dry, cakey brownies is overmixing. Be sure to mix just until the ingredients are combined to avoid overbeating.

How Do I Know if my Brown Butter is Done?

You’ll know when the butter is done when the milk solids turn brown. To check the darkness of the butter, spoon some out onto a light colored dish. Heat until it’s as dark as you’d like.

A tray of swirled chocolate and brown butter blondies sits on parchment paper beside a cup of black coffee on a marble surface.

Expert Tips for Making Nutella Bars

  • Don’t Rush the Brown Butter: Browning butter takes patience. Keep the heat medium-low and swirl or stir constantly. Pay attention to the smell – it will go from just melted butter to nutty and toasty very quickly.
  • Cool the Brown Butter Slightly: Allow the brown butter to cool down a bit before adding it to the sugar and eggs. If it’s too hot, it can scramble the eggs.
  • Beat Eggs and Sugar Well: For that coveted crinkly top, beat the eggs and sugar together until they are light, fluffy, and noticeably thickened. This incorporates air and helps create the meringue-like crust.
  • Don’t Overmix the Batter: Once you add the flour and cocoa, mix just until combined. Overmixing develops gluten, leading to tougher, more cake-like brownies rather than dense and fudgy ones.  
  • Underbake Slightly: When in doubt, underbake your brownies rather than overbake. They will continue to set as they cool. The toothpick test should show moist crumbs, not wet batter, and certainly not a clean stick.
  • Cool Completely: Resist the urge to cut into them while warm. For clean cuts and the best fudgy texture, allow the brownies to cool completely in the pan, preferably for several hours or even overnight in the refrigerator.
  • Use Parchment Paper: Always line your pan with parchment paper, leaving an overhang. This makes lifting the entire slab of cooled brownies out effortless, allowing for perfectly clean cuts.
  • Warm the Nutella (Optional): If your Nutella is very firm, you can gently warm it in the microwave for 10-15 seconds to make it easier to incorporate into the batter.
  • Clean Cuts: For super clean cuts, use a large, sharp knife. Wipe the knife clean with a damp cloth after each cut.
  • Serve this With: Serve with Peanut Butter Cookie Bars, Tiramisu Overnight Oatmeal or Chocolate Chip Salted Caramel Cookie Bars.

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Two thick Brown Butter Blondies with a chocolate swirl on top are stacked on a white plate, with crumbs scattered around them.

Nutella Brown Butter Blondies

5 from 6 votes
These rich and gooey Nutella Brown Butter Blondies combine the nutty depth of browned butter with pockets of melty Nutella for a dessert that’s easy to make but feels totally over-the-top. With their chewy edges, soft center, and irresistible chocolate-hazelnut flavor, they’re a guaranteed hit whether you’re baking for a crowd or just treating yourself.
Prep Time : 15 minutes
Cook Time : 35 minutes
Total Time : 50 minutes
Servings: 16 servings
Course: Dessert
Calories: 255kcal

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Ingredients
 

  • 2 cups Flour
  • 2 teaspoons Baking powder
  • ½ teaspoon Salt
  • ¾ cup Butter, softened
  • 1 ½ cups Brown sugar
  • 2 teaspoons Vanilla
  • 2 Eggs
  • cup Hazelnut spread, Nutella

Instructions
 

  • Preheat the oven to 300℉. Butter a 9×9 pan and line the bottom and 2 sides with parchment leaving an inch or two overhang on each side.
  • In a medium size bowl mix together flour, baking powder and salt, set aside.
  • In a large pot over medium heat brown the butter stirring occasionally.
  • Remove from heat, whisk in brown sugar and vanilla.
  • Using an electric mixer whip in eggs. Mix on medium high until light and fluffy. It is important that this mixture is well mixed and the color changes from a darker brown to a lighter tan.
  • Add in the dry ingredients and continue to mix until well mixed and no lumps remain.
  • Evenly spread batter in prepared pan.
  • Dollop hazelnut spread by the spoonful evenly across the surface of the batter. Drag a butter knife through the spread to swirl it through the batter. Drag it through again in the opposite direction to swirl more.
  • Bake for 30-35 minutes in a glass pan, or for 20-25 minutes if using a metal one. The edges will be golden brown and the middle still slightly gooey.
  • Remove from the oven and allow to cool at least 2 hours before cutting. It is normal for the middle to sink below the edges.
  • Cut into 16 squares to serve.

Christina’s Notes

  • Use Frozen Nutella: Freeze small scoops of Nutella on a parchment-lined plate before baking to keep gooey pockets intact.
  • Don’t Overmix: Once you add the flour, mix just until combined to keep the blondies tender.
  • Watch the Butter: Brown the butter until golden with a nutty aroma—don’t walk away!
  • Cool Before Cutting: Let the blondies cool fully before slicing for clean edges and the perfect chewy texture.
  • Add a Finishing Touch: A sprinkle of flaky sea salt brings out the rich Nutella and brown butter flavors.

For more helpful information about this recipe, such as variations, substitutions and other pro-tips, scroll up on the page.

Nutrition

Calories: 255kcal | Carbohydrates: 36g | Protein: 3g | Fat: 11g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 43mg | Sodium: 166mg | Potassium: 131mg | Fiber: 1g | Sugar: 24g | Vitamin A: 296IU | Calcium: 54mg | Iron: 1mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to www.itisakeeper.com/about-its-a-keeper/privacy-disclosure-policies/
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5 thoughts on “Nutella Brown Butter Blondies”

  1. 5 stars
    These turned out so well! I had some hazelnuts so I threw those in too (chopped up) and they added a nice extra crunch. I’ll definitely make these again!

    Reply
5 from 6 votes (1 rating without comment)

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