You need to try this recipe for these deliciously fudgy, rich, and so easy-to-make Nutella Hazelnut Brownies.
Brownies made with Nutella? AMAZING! To make them even better they are topped with crunchy hazelnuts.
Nothing is better than homemade brownies. These are rich fudgy, not cakey brownies. This is the perfect dessert for chocolate lovers.
Nutella is the only source of chocolate in this Nutella brownie recipe so you get delicious hazelnut flavor in every bite. The hazelnut flavor is also reinforced by hazelnut liquor and crunchy hazelnut topping.
If you love these chocolate hazelnut brownies you will also love these other recipes; Nutella Creme Brulee, Nutella Raspberry Brownies, Nutella Cookies, and Nutella Cheesecake Brownies.
Jump to:
- Why You Will Love This Recipe
- What is Nutella?
- Ingredients
- Equipment
- How to Make Hazelnut Brownies
- What Type of Pan Should You Use to Bake Brownies?
- How to Check if Brownies are Done With a Toothpick
- Checking Brownies with a Digital Thermometer
- How do You Cut Brownies Smoothly?
- How to Store Brownies After Baking
- To Freeze Brownies
- Tips
- 📖 Recipe
- 💬 Comments
Why You Will Love This Recipe
- The rich nutty flavor of these chewy brownies packs a one-two-three punch. Browned butter, hazelnut spread, and amaretto fill these brownies with delicious flavor.
- Best of all these delicious hazelnut brownies are so easy to make. The only special ingredients you need are a jar of Nutella and some hazelnuts.
- These chocolate Nutella brownies have a thick chewy middle and a thin crisp crackled top crust.
- They also freeze well so you will always have a brownie or two ready for when a craving strikes.
What is Nutella?
This might be an obvious answer for you. But I must confess, I had never had Nutella until I was in my 30s. Nutella is a brand of chocolate-hazelnut spread.
There are also lots of generic brands of chocolate hazelnut spread out there. Feel free to substitute one of them in these "Nutella" brownies. I often use the hazelnut spread sold at Aldi.
Ingredients
I want to talk a bit about the science behind brownies and how different ingredients influence a brownie's texture.
What makes these brownies so fudgy, gooey, and delicious? The good news is there are only a couple of simple ingredients. The gooeyness comes from the high ratio of fat to flour, lots of Nutella, paying close attention to the baking time, and being careful to not overbake these amazingly fudgy brownies.
Fat
Fudgy and gooey brownies have a higher fat-to-flour ratio. I think the ideal ratio is 2 parts fat to 1 part flour.
For this recipe, we will also brown the butter before adding the sugar. Browning the butter gives it a delicious nutty flavor. Check out this blog post from Baker Bettie for more information about using brown butter in baked goods.
If you have never browned butter before, check out this video from America's Test Kitchen.
Melting the butter also stops air bubbles from forming when it is mixed with sugar. Adding additional air to the brownie will make them fluffy, which we don't want.
Sugar
There are two basic sugar options: white sugar and brown sugar. White sugar helps produce the crispy cracked top on brownies.
Brown sugar is more hygroscopic (it absorbs water from its surroundings) than white sugar, which creates a denser gooier brownie.
I used half white and half brown sugar in this recipe to have the best of both worlds. Because Nutella is already sweet we are also able to add less sugar.
Eggs
Large eggs help to bind the brownie together they are also the only leavener in this brownie recipe. Be careful to not over-whip the eggs. We don't want to add a lot of air to the eggs.
As the eggs cook, their proteins line up and form a structure that will help support the brownie. A brownie without eggs would be a gooey mess.
Nutella
In this recipe, we are using Nutella and just Nutella. The chocolate flavor comes from Nutella, no additional chocolate is necessary. I really wanted the hazelnut flavor in these brownies to be strong. Nutella's already smooth and creamy texture adds to the brownie's gooeyness.
Flour
The best brownie texture comes from using all-purpose flour. When adding the flour you want to be careful to not overmix. Overmixing creates gluten which will develop into a tougher brownie.
Due to the high amounts of fat in these brownies mixing in the flour will be very easy.
Flour tends to form into lumps if there’s a lot of moisture in the batter (ex: pancake or waffle batters), but with the amount of fat in these brownies that doesn’t happen. The fat will coat the flour particles keeping them from clumping together.
Salt
Most dessert recipes contain at least a little salt. Salt adds its own flavor but it also intensifies other flavors. In this recipe, salt increases the sweetness of the brownies without adding additional sugar.
To better understand salt's flavor-intensifying abilities try this experiment. If you like sweet tea, brew a cup of tea and add 1 teaspoon of sugar and a pinch of salt. It should taste like you actually added 3 teaspoons of sugar.
Hazelnut Liqueur
The hazelnut liqueur helps to intensify the hazelnut flavor. Plus who doesn't like a slightly boozy brownie?
What isn't in these brownies? Chemical leaveners aka baking soda or baking powder. We don't want these brownies to rise and become cakey. We want them to remain dense and fudgy.
Equipment
9×9 metal square baking pan: Light-colored metal pans make the best brownies. Glass or dark-colored metal pans heat unevenly and can cause the edges to overbake or even burn.
Kitchen scale: Kitchen scales make baking faster and neater. Accuracy matters in baking. Scales are more precise than measuring cups. Too much flour or not enough sugar can dramatically change a recipe. The most accurate way to bake is to measure your ingredients by weight rather than volume.
A kitchen scale also reduces the number of dishes you will need to wash because you are measuring each ingredient directly from the container into the mixing bowl without the use of measuring cups.
This scale from OXO is the one I use after it was recommended by Alton Brown. What makes this scale great is the display pulls out to make viewing measurements easier when using a large bowl.
Small Sauce Pan
Mixing Bowls: These are some of my favorite mixing bowls. They come in a huge range of sizes, nest together for easy storage, and are easy to clean.
Rubber spatula: For folding batters together, I prefer a stiffer spatula like this one from OXO. It fits comfortably in my hand, is dishwasher safe, and is heat-resistant up to 600 degrees Fahrenheit. Both the handle and head are silicone coated which makes it easy to clean and safe to use with my non-stick cookware and bakeware.
Large serrated knife: A large serrated knife makes cutting even clean pieces much easier.
How to Make Hazelnut Brownies
Line a 9-inch square pan with parchment paper allowing the ends to extend over two of the sides. Grease the pan with cooking spray. Heat the oven to 350 degrees Fahrenheit and position an oven rack in the middle of the oven.
Slice the butter into pieces and melt it in a light-colored skillet over medium heat stirring or whisking constantly. Once melted, the butter will begin to foam.
Continue stirring/whisking for about 5-7 minutes, the butter will become a deep amber color. Remove the browned butter from the heat, and pour it into a bowl. Allow the butter to cool for 30 minutes.
In a large bowl, mix the butter, brown and white sugar, eggs, egg yolk, hazelnut liquor, and Nutella until combined.
Add the dry ingredients (flour and salt) to the wet ingredients and stir until just combined.
Pour the chocolate mixture into the prepared pan. Sprinkle the chopped hazelnuts on top of the brownies. The hazelnuts will help to enhance the Nutella flavor and add a nice crunch.
Bake at 350 degrees Fahrenheit for 25-30 minutes or until a toothpick inserted in the center comes out with very moist crumbs clinging to it. Remember the brownies will continue to bake as they cool.
Cool completely before using the parchment paper sling to lift the brownies from the pan and cut them into squares.
What Type of Pan Should You Use to Bake Brownies?
Light-colored metal pans make the best brownies. Glass or dark-colored metal pans heat unevenly and can cause the edges to overbake or even burn.
If a glass or dark pan is all you have, reduce the oven temperature by 25 degrees F and keep an eye on the brownies as they bake.
Always grease the pan thoroughly with shortening, softened butter, or cooking spray. To make brownie removal easy, after greasing the pan, line it with parchment paper or aluminum foil.
Cut the pieces longer than the pan so that the sides hang over the edge of the pan creating a sling. Grease the lining to make sure it will easily peel away from the brownies.
If you are like me and want a visual reference for how to line your pan, check out this video from Everyday Food.
How to Check if Brownies are Done With a Toothpick
Baking times for all recipes are only suggestions. The actual baking time will vary depending on your oven. It is helpful to know your oven and worth purchasing an inexpensive oven thermometer.
Oven temperatures can vary as much as 50 degrees plus or minus. This recipe recommends a baking time of 25-30 minutes But depending upon the accuracy of your oven you may want to start checking the brownies after 20 minutes or so.
When brownies are done they will start to pull away from the sides of the pan. You should also look for a slight jiggle in the middle of the pan of brownies.
One way to check to see if the brownies are done is to insert a toothpick into the middle of the pan. Below are photos of 3 toothpicks. Each toothpick was inserted at different times.
Undercooked batter will be shiny and glossy. Cooked batter and melted chocolate are duller. You need to pay attention to how the brownie crumbs look when you remove the toothpick.
The first toothpick was inserted after the brownies had been baking for 20 minutes. The batter is still raw.
The second toothpick was inserted after 25 minutes. There is no raw batter and a crumb or two. This is when I like to take my brownies out of the oven.
If the toothpick is clean, like the third toothpick inserted after 30 minutes, the brownies are overbaked.
Brownies "carry-over bake," Meaning they will continue to cook after you take them out of the oven. With this in mind, you should remove the brownies from the oven a few minutes before they are fully done.
A slightly under-baked brownie is always better than an over-baked brownie in my opinion.
Checking Brownies with a Digital Thermometer
The most accurate method for checking brownies is to use a digital thermometer. Brownies must have a temperature higher than 136 degrees Fahrenheit which is the temperature at which bacteria such as salmonella dies.
These easy Nutella brownies won't set until they are at least 144 degrees Fahrenheit, so unless you want brownie soup, you need to keep baking until they reach this point.
The optimal temperature for these fudgy hazelnut brownies is 165 degrees Fahrenheit.
How do You Cut Brownies Smoothly?
For neater slices, allow the brownies to cool for at least an hour before cutting. This will allow the chocolate and fat to set. Use a large serrated knife to easily cut even pieces. You may need to wipe the blade clean in between slices.
How to Store Brownies After Baking
If you are planning to store the brownies rather than eating them right away it is best to wait to cut them until you are ready to eat them. Cutting the brownies exposes them to air causing them to dry out.
Air is the enemy when you are trying to keep brownies moist. Tightly wrap the brownies in plastic wrap or place them in an airtight container.
If you will be storing the brownies for more than a couple of days add a slice of bread. The moisture from the bread will keep the brownies soft and fresh for a few extra days.
Brownies should be stored at room temperature and will stay fresh for at least 3-4 days. If you must store them for longer place them in the refrigerator for up to two weeks. The brownie will have a better flavor if you allow it to come back to room temperature before eating it.
To Freeze Brownies
For even longer storage brownies can be frozen. Wrap the brownies tightly in plastic wrap and then place them in a zip-top bag.
Label the bag with the date and contents. Frozen brownies will stay fresh for up to three months. Allow the brownies to thaw at room temperature before eating.
If your brownies do dry out place them in the microwave for about ten seconds.
Tips
- For accuracy, use a kitchen scale and measure ingredients in grams. Weight measurements are more accurate than volume measurements and will give you the most consistent results. This is my favorite kitchen scale because the display pulls out so that is easy to view when measuring in large bowls.
- Use room temperature ingredients. They are easier to incorporate.
- Do not overbeat the batter once the flour has been added. Over-mixing traps more air creating a lighter less fudgy brownie.
- Chop the hazelnuts with a knife or a food processor. A few pulses will do. You don't want the hazelnut pieces to be too fine.
- Bake the brownies on the middle rack.
- Err on the side of underbaked brownies rather than overbaked brownies. Brownies will continue to bake even after they have been pulled out of the oven. After they have cooled for about 15 minutes use the ends of the parchment paper to lift them out of the pan and place them on a cooling rack to continue cooling down.
- Do not slice the brownies until they have cooled completely. These brownies can be sticky so allowing them to cool before cutting will create neater slices.
- Make this delicious dessert even better by topping it with a scoop of ice cream.
Thanks for Reading!
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Loved these brownies? Try one of my other desserts
- Fresh Apple Cake
- Peanut Butter Chocolate Chip Cookies
- Sourdough Snickerdoodle Cookies
- Condensed Milk Brownies
- Fresh Mint Brownies
- Heath Bar Trifle
- No-Bake Tiramisu
- Chocolate Chip Pumpkin Cheesecake
📖 Recipe
Nutella Hazelnut Brownies
Equipment
- small sauce pan
- large mixing bowl
- 9x9 metal pan
Ingredients
- ⅓ cup unsalted butter browned
- ¼ cup brown sugar
- ¼ cup granulated white sugar
- 2 large eggs
- 1 egg yolk
- 2 tablespoons hazelnut liquor
- 1 cup Nutella
- ½ cup all-purpose flour
- ½ teaspoon kosher salt
- ½ cup hazelnuts chopped
Instructions
- Line a 9 x 9-inch baking pan with parchment paper allowing the ends to extend over two of the sides. Grease pan with cooking spray. Preheat the oven to 350 degrees Fahrenheit and position an oven rack in the middle of the oven.
- Slice the ⅓ cup unsalted butter into pieces and melt it in a light-colored skillet over medium heat stirring or whisking constantly. Once melted, the butter will begin to foam. Continue stirring/whisking for about 5-7 minutes, the butter will become a deep amber color. Remove the browned butter from the heat, and pour it into a bowl. Allow the butter to cool for 30 minutes.
- In a large bowl, mix the butter, ¼ cup brown sugar, ¼ cup granulated white sugar, 2 large eggs, 1 egg yolk, 2 tablespoons hazelnut liquor, and 1 cup Nutella until combined.
- Add the ½ cup all-purpose flour and ½ teaspoon kosher salt and stir until just combined.
- Pour the batter into the prepared baking dish. Top with the ½ cup hazelnuts. Bake at 350 degrees Fahrenheit for 25-30 minutes or until a toothpick inserted in the center comes out with very moist crumbs clinging to it. Remember the brownies will continue to bake as they cool.
- Cool completely before using the parchment paper to lift the brownies from the pan and cut them into squares.
Notes
- Browning the butter increases the delicious nutty flavor in these brownies.
- If you don't want to bake with alcohol you can substitute 2 tsp. of vanilla or almond extract. Use a smaller amount. Extracts tend to have a stronger flavor.
- Be careful to not overmix the brownies. Overmixing creates gluten, which translates to tough brownies.
- Begin checking the brownie for doneness early. Overbaked brownies will be dry.
- Line the baking pan with parchment paper, leaving an overhang on two opposite sides. This makes lifting the brownies out of the pan to cut them super easy. I like to spray the pan with non-stick spray first, which helps to hold the parchment paper in place.
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