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Ferrero Rocher Blondies (Ferrero Rocher Cookie Bars)

These Ferrero Rocher blondies are a delicious cookie bar that comes together quickly with simple ingredients. Our soft and chewy treats are made from scratch with brown sugar and butter, swirled with Nutella, and filled with crushed Ferrero Rocher chocolates. They are crisp on the outside and chewy in the middle.  Delicious served with a glass of milk or coffee for an afternoon treat. 

Cookie bars with chocolate and ferrero rocher candies in a pile.

Made with simple pantry ingredients, blondies, like a brownie, have a fudgy , gooey texture. But instead of a chocolate base, they have a light caramel flavour.  

These chocolate hazelnut cookie bars are much like a chocolate chip cookie without the need to scoop and roll cookie dough.  Filled with Ferrero Rocher chocolates and marbled with Nutella, they are a delicious treat for an afternoon snack.

If you like these, you may also like our Cookies and Cream Blondies or Mini Egg Blondies, or for more Ferrero Rocher, our Ferrero Rocher Poke Cake!

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Why you’ll love Ferrero Blondies:


  • Quick – These cookie bars come together quickly and take less than 30 minutes to bake.
  • Easy clean up – You only need 1 bowl and 1 pan to make these blondies, making clean up a breeze.
  • Simple Ingredients– These bars are made from scratch with simple pantry ingredients.

Ferrero Rocher blondies are a delicious, chewy cookie bar with a fudgy texture and slight caramel flavour. They are made with simple ingredients and come together in minutes.

Like fudgy brownies, blondies have a soft, gooey middle, chewy edges, and a crispy, crackly top.  

These blondie bars are filled with crushed Ferrero Rocher chocolate balls, which add some crunch with the bits of hazelnuts.  They are marbled with Nutella to add swirls of creamy chocolate hazelnut throughout.

If you want some more crunch, you can add chopped hazelnuts to the top of the bars.  For more chocolate, you can mix in some chopped semi-sweet chocolate or cholate chips. 

A blondie should be soft and chewy, with a slightly fudgy texture. However, if you prefer a more cake-like blondie, add a tablespoon or two more flour and cook just a bit longer.

These cookie bars have a flavor similar to chocolate chip cookies, but instead of scooping cookies and baking them on a sheet, you spread the batter into a baking pan.  Which makes the process a bit quicker.  

The recipe will make about 16 servings, depending on how big you slice them.

Sliced ferrero rocher blondies on a table.

These chewy blondies, with their crunchy pieces of Ferrero rocher chocolate, are a great addition to a cookie or dessert platter.   They make a great after-school snack and are perfect for the lunch box. We enjoy them with a large glass of milk or a hot cup of coffee

Ingredients & Substitutions

For a full list of ingredients and measurements, see the printable recipe card at the bottom of this post.

This easy blondie recipe comes together with simple pantry ingredients. 

  • Butter—For the best flavour and texture, this recipe calls for real butter, which can be salted or unsalted. 
  • Brown sugar – These blondies are made with light brown sugar, which gives them a golden colour and milder flavour. However, dark brown sugar may be used instead.
  • Granulated sugar – Just a bit of added granulated sugar enhances the sweetness and texture.
  • Vanilla extract—Vanilla adds to the flavour of the blondie. It can be replaced with other extracts, such as caramel or almond. Use pure vanilla extract for the best flavor.
  • Flour—For this recipe, you will need regular, all-purpose flour. For the best results, spoon and level the flour rather than scoop it, or better yet, weigh it. 
  • Ferrero Rocher Balls—You will need about 8 of the classic Ferrero Rocher chocolates.  You can use more or less if you like.  We crush them with the back of a spoon before mixing them into the blondie batter.  You can also add chopped or whole hazelnuts, chocolate chips, or chopped milk or dark chocolate if you like.
  • Nutella – Nutella adds extra chocolate and hazelnut flavor to the blondies without requiring quite as many Ferrero Roche balls.  It also adds a gooey fudgy swirl to the blondies. 
Ingredients for ferrero rocher blondies.

One – Mix the melted butter, vanilla, and sugars in a large mixing bowl. Using an electric mixer on low speed, mix for one to two minutes until the ingredients are well combined, and the sugar crystals have dissolved. If you do not have a hand mixer you can use a stand mixer or do this by hand, just be sure to mix well. 

Two – Add the eggs and mix on low just until combined. 

Butter and sugar in a mixing bowl on the left.  Mixed batter with eggs added on the right.

Three – Whisk the flour, baking powder, and salt together, then add the dry ingredients to the bowl. Stir just until combined.

Four – Gently crush the Ferrero Roche balls with the back of a spoon, then fold half of the crushed chocolates into the batter with a wooden spoon or rubber spatula.

Blondie batter in a mixing bowl on the left, smashed ferrero rocher chocolates on the right.

Five– Spread the blondie batter in an even layer into a parchment paper lined 9×9 baking pan. Add dollops of nutella to the top of the batter.

If you don’t have a square pan, a smaller baking pan, such as a 9×7 pan, will also work.
You can spray a baking pan with non-stick spray; however, lining the pan will make it easier to lift the blondies out and slice them.

Six – Swirl the Nutella into the batter with a knife then add the remaining crushed chocolates.

Blondie batter in a baking pan dolloped with nutella on the left, the nutella swirled into the batter on the right.

Place the bars into a preheated oven and bake until golden brown, the top of the blondies feel set, and a toothpick inserted in the centre comes out mostly clean.

Blondies will feel soft when you remove them from the oven, but they will firm up when cooled completely.

A batch of blondies on a cutting board cut into squares.

Wait until the blondies have cooled before slicing. If you used parchment paper, you should be able to loosen the sides and lift them straight out of the pan.

Pro Tip – To ensure a soft, fudgy centre, do not overbake the blondies. They are done when the top feels set and a toothpick inserted in the center comes out mostly clean. They will feel soft, but they will firm up when they cool.

A stack of sliced nutella ferrero rocher cookie bars.

Top Tips & Tricks

  • For the best flavour and texture, be sure not to over-bake. Err on the side of slightly underdone, as they will firm up as they cool.
  • For the best results, we suggest weighing the dry ingredients. However, if you prefer not to weigh, flour should be measured by spooning and levelling, and the brown sugar should be slightly packed. 

FAQS

Why are my blondies cake-like instead of fudgy?

Cakey blondies can be caused by over-mixing, adding too much flour, or over-baking. For best results, measure your ingredients correctly, do not over-mix, and err on the side of slightly underdone rather than over-baking.

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Printable Recipe

A stack of sliced nutella ferrero rocher cookie bars.

Ferrero Rocher Blondies

Ferrero Rocher blondies are a delicious cookie bar that comes together quickly. Swirled with Nutella and filled with Ferrero Rocher chocolates.
5 from 1 vote
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Course: Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 16
Author: Deanna

Ingredients

  • 1 cup (226g) salted butter melted
  • 1 ½ cups (280g) light brown sugar lightly packed
  • ¼ cup (50g) granulated sugar
  • 2 teaspoons vanilla extract
  • 2 large eggs
  • 2 ¼ cups (290g) all-purpose flour spooned and levelled
  • ½ teaspoon baking powder
  • ½ teaspoon kosher salt or ¼ teaspoon table salt
  • cup Nutella or other chocolate hazelnut spread
  • 8 Ferrero Roche chocolate balls

Instructions

  • Preheat oven to 350°F.
  • Line a 9×9 baking pan with parchment paper, or spray with non-stick spray.
  • Combine the melted butter, brown sugar, white sugar, and vanilla in a large bowl. Using a hand mixer, on low speed, mix for 1-2 minutes until well combined and the sugar crystals have dissolved.
  • Add the eggs and mix on low speed, just until the ingredients are combined.
  • Whisk the flour, baking powder, and salt together, then add to the bowl. Stir just until combined.
  • Gently crush the Ferrero Rocher balls with the back of a spoon, then fold half of them into the batter, leaving ½ aside to sprinkle on the top.
  • Spread the batter into the prepared 9×9 pan, then dollop the Nutella on top.
  • Swirl the Nutella into the batter with a knife, then sprinkle the remaining crushed chocolate on top.
  • Bake for 25-30 minutes until golden brown, the top feels set, and a toothpick inserted in the center comes out mostly clean.
  • Move the pan to a cooling rack. Once cool, if you have used parchment, lift the bars out of the pan to slice. Otherwise, you can cut them in the pan and remove them.
  • Store in an airtight container at room temperature for up to a week, or in the freezer for several months.

Nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.

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Food Safety and Storage

Ferrero Rocher blondies can be stored in a sealed container at room temperature for up to a week.

To store them longer, they can be kept in an airtight container in the refrigerator for a few weeks or stored in a freezer bag or airtight container in the freezer for several months.

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Recipe Rating




Lara

Friday 5th of April 2024

Yum! These turned out perfect and were a great way to use up some extra candies in a fresh, new way! Really good while they are still warm with a glass of milk!

THIS POST MAY CONTAIN AFFILIATE LINKS. AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES.