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Home » Recipes » Dessert

Chocolate Hazelnut Blondies

A girl with a pink apron and a mug leaning against a kitchen counter.
Developed and tested by: by Carissa Erzen on May 17, 2023 · Updated: Feb 25, 2026 · This post may contain affiliate links · 10 Comments

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These chocolate hazelnut blondies have all the best textures - crunchy, cakey, and fudgy. Chopped nuts and a swirl of chocolate hazelnut butter into the batter level up these blondies into a league of their own!

A hand holding a Chocolate Hazelnut Blondie with chocolate hazelnut spread dripping down

I Make these Blondies when I'm Bored of Brownies

Meet brownies' have a sweet cousin, called the blondie. Blondies come from the same dessert bar family, but instead of cocoa powder and chocolate, they are made with brown sugar to get their signature "blonde" color.

And if you've ever made brownies before, then you can totally make delicious blondies! With just a few ingredient changes, this dessert bar goes from fudgy, cakey brownies to caramelized, chewy blondies.

An overhead view of a blondie with a bite taken out, next to a jar of chocolate hazelnut spread.

Hazelnuts are one of my favorite nuts, so I added them two different ways to these delicious chocolate hazelnut blondies. First, whole hazelnuts are chopped up and mixed into the blondie batter for added crunch. Second, chocolate hazelnut spread is swirled into the batter. I just dollop a few tablespoons of chocolate hazelnut butter onto the blondie batter then drag a toothpick or knife through it to make fun swirls. Once baked, each bite gets an extra hit of that salty-sweet chocolate hazelnut butter!

Hungry for more easy brownie recipes? Try coffee fudge brownies, 8 ingredient chocolate peanut butter brownies, fancy Black Forest brownies, and easy homemade brownie crisps.

A hand swirling chocolate hazelnut spread into blondie batter in a square baking pan.

The Best Chocolate Hazelnut Butter

There are numerous brands of chocolate hazelnut butter on the market. But unfortunately I found out that the beloved brand I grew up eating has 25% more sugar than frosting!

So I scoured the grocery store shelves for a healthier alternative. Then I found Wild Friends Foods chocolate hazelnut spread, which I love since it has 50% less sugar than that brand I grew up eating!

A half-eaten blondie bar sitting on a cooling rack next to a jar of chocolate hazelnut spread.
Six blondies stacked on a serving platter.

Chocolate Hazelnut Blondies

developed & tested by:

Carissa Erzen
These chocolate hazelnut blondies have all the best textures - crunchy, cakey, and fudgy. Chopped hazelnuts and a swirl of chocolate hazelnut butter level up these blondies into a league of their own.
Leave your rating!
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Prep Time 15 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr
Course Dessert, Snack
Cuisine American
Servings 9 blondies
Calories 445 kcal

Ingredients
  

  • ½ cup vegetable oil
  • 2 large eggs
  • 1 tablespoon vanilla
  • 1 cup packed brown sugar
  • 1½ cups all purpose flour
  • 1 teaspoon baking powder
  • ¼ teaspoon salt
  • ⅓ cup chocolate chips
  • ⅓ cup chopped hazelnuts
  • ½ cup chocolate hazelnut spread

Instructions
 

  • Preheat the oven to 350°F. Grease an 8-inch x 8-inch baking dish with butter or cooking spray.
  • In a large mixing bowl, whisk together the vegetable oil, eggs and vanilla.
  • Add the brown sugar, flour, baking powder and salt. Mix just until there is no visible dry flour.
  • Fold in the chocolate chips and chopped hazelnuts.
  • Spread the blondie mixture evenly into the greased baking dish.
    Dollop spoonful's of the chocolate hazelnut butter on top, then use a toothpick or a knife to swirl it around.
  • Bake for 30 to 45 minutes, until a toothpick inserted into the center comes out clean. Let cool for at least 20 minutes, then slice and enjoy!

Nutrition

Serving: 1 blondieCalories: 445kcalCarbohydrates: 56gProtein: 5gFat: 23gSaturated Fat: 8gPolyunsaturated Fat: 8gMonounsaturated Fat: 5gTrans Fat: 0.1gCholesterol: 36mgSodium: 93mgPotassium: 188mgFiber: 2gSugar: 37gVitamin A: 55IUVitamin C: 0.3mgCalcium: 57mgIron: 2mg
Keyword chocolate chip blondies, chocolate hazelnut blondies
Did you make this recipe?Leave a comment below - I love hearing from you!

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About Carissa Erzen

Growing up in Germany, I fell head-over-heels in love with ALL the German baked goods, from Lebkuchen to pretzels. Now I'm the founder, recipe developer, and food photographer behind Humbly Homemade, where I test and share German sweets lovingly created from scratch. So pull up a chair, and stay a while!

Comments

  1. Yum-number1 says

    April 25, 2022 at 6:45 pm

    Oh my god. I'm drooling!!

    Reply
    • Humbly Homemade says

      May 06, 2022 at 9:51 pm

      Haha! Don't drool on your keyboard!

      Reply
  2. foodinbooks says

    April 25, 2022 at 3:01 am

    Yum! Those look so good! I do love chocolate and hazelnut.

    Reply
    • Humbly Homemade says

      May 06, 2022 at 9:50 pm

      Thank you! It's one of my favorite combos!

      Reply
  3. Azilde Elizabeth says

    April 24, 2022 at 5:04 pm

    I haven't had a blondie in forever! These look amazing! The chocolate hazelnut dripping of the blondie is mouthwatering 😆 I'll have to look for that brand because yes Nutella is full of sugar so I don't buy it often. Yet the kids love it!

    Reply
    • Humbly Homemade says

      May 06, 2022 at 9:50 pm

      Thank you!! I know, anything with sugar and kids go nuts over it 😅 But you really can't taste the difference with this brand, which is nice! Sometimes the healthier option tastes "too healthy" if you know what I mean. 🤣

      Reply
      • Azilde Elizabeth says

        May 07, 2022 at 1:56 am

        😂 yes I totally get it!

        Reply
  4. popsiclesociety says

    April 22, 2022 at 8:22 pm

    Oh wow! I love chocolate and hazelnuts 😋😋 These are really mouthwatering 😋😋

    Reply
    • Humbly Homemade says

      May 06, 2022 at 9:48 pm

      Hehe thank you!! 😇

      Reply

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A girl in a pink apron sitting on a kitchen counter.

Hello, I'm Carissa!

I'm the founder, recipe developer, and food photographer behind Humbly Homemade. Inspired by my childhood growing up in Germany, I share recipes of delicious German bakes from scratch.

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