Chocolate Hazelnut Dessert Bars

Posted on April 11, 2026

Delicious chocolate hazelnut dessert bars garnished with hazelnuts.

Difficulty

Prep time

Cooking time

Total time

Servings

why make this recipe

Chocolate Hazelnut Dessert Bars are a delightful treat that combine the rich flavors of chocolate and hazelnuts into one easy-to-make dessert. They are perfect for any occasion, from casual family gatherings to formal celebrations. The best part is how simple and quick they are to prepare. With just a few basic ingredients, you can enjoy a delicious chocolate dessert that everyone will love.

how to make Chocolate Hazelnut Dessert Bars

Ingredients

  • 1 cup crushed hazelnuts
  • 1 cup all-purpose flour
  • 1/2 cup cocoa powder
  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar
  • 1/2 cup butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • 1/2 cup chocolate chips (optional)

Directions

  1. Preheat the oven to 350°F (175°C) and grease a 9×9 inch baking pan.
  2. In a mixing bowl, combine crushed hazelnuts, flour, cocoa powder, granulated sugar, brown sugar, and salt.
  3. Add melted butter, eggs, and vanilla extract to the dry ingredients and mix until well combined.
  4. Fold in chocolate chips if using.
  5. Pour the batter into the prepared baking pan and spread it evenly.
  6. Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean.
  7. Allow to cool before cutting into bars.
  8. Serve and enjoy!

how to serve Chocolate Hazelnut Dessert Bars

These dessert bars are best served at room temperature. You can cut them into squares and place them on a nice plate. They can be enjoyed plain, or you may want to dust them with powdered sugar for a touch of elegance. Pair them with a scoop of vanilla ice cream or a dollop of whipped cream for an extra treat!

how to store Chocolate Hazelnut Dessert Bars

To store your dessert bars, place them in an airtight container. They can be kept at room temperature for a few days. For longer storage, you can refrigerate them for up to one week. If you want to keep them for a longer time, you can freeze them. Just wrap each bar individually and place them in a freezer-safe bag. They will stay fresh for up to three months.

tips to make Chocolate Hazelnut Dessert Bars

  • Make sure to crush the hazelnuts finely for even distribution, but not so finely that they turn into a flour.
  • If you enjoy a richer chocolate flavor, you can increase the cocoa powder slightly or use dark chocolate chips instead.
  • Let the bars cool completely before cutting them to avoid crumbling.

variation

You can add different mix-ins like chopped dark chocolate, white chocolate chips, or even dried fruits like cherries or cranberries for a twist. You can also experiment with nut varieties, like almonds or walnuts, instead of hazelnuts.

FAQs

1. Can I use different nuts?
Yes, you can swap hazelnuts with nuts like almonds or walnuts. Just make sure to chop them up similarly to the hazelnuts.

2. How can I make these bars gluten-free?
You can replace the all-purpose flour with a gluten-free flour mix. Make sure to check labels to ensure they are truly gluten-free.

3. Can I make these ahead of time?
Absolutely! You can make these bars a day or two in advance. Just store them in an airtight container at room temperature until you’re ready to serve.

Delicious chocolate hazelnut dessert bars garnished with hazelnuts.

Chocolate Hazelnut Dessert Bars

Delicious dessert bars combining rich chocolate and hazelnuts, perfect for any occasion.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 16 bars
Course: Dessert, Snack
Cuisine: American
Calories: 200

Ingredients
  

Dry Ingredients
  • 1 cup crushed hazelnuts Make sure to crush finely for even distribution.
  • 1 cup all-purpose flour Can be substituted with gluten-free flour for a gluten-free version.
  • 1/2 cup cocoa powder Increase amount for a richer chocolate flavor.
  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar
  • 1/4 teaspoon salt
Wet Ingredients
  • 1/2 cup butter, melted
  • 2 large eggs
  • 1 teaspoon vanilla extract
Optional
  • 1/2 cup chocolate chips Optional; can use dark or white chocolate.

Method
 

Preparation
  1. Preheat the oven to 350°F (175°C) and grease a 9x9 inch baking pan.
  2. In a mixing bowl, combine crushed hazelnuts, flour, cocoa powder, granulated sugar, brown sugar, and salt.
  3. Add melted butter, eggs, and vanilla extract to the dry ingredients and mix until well combined.
  4. Fold in chocolate chips if using.
Baking
  1. Pour the batter into the prepared baking pan and spread it evenly.
  2. Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean.
Serving
  1. Allow to cool before cutting into bars. Serve and enjoy!

Notes

These dessert bars are best served at room temperature. Dust with powdered sugar for elegance, or pair with ice cream or whipped cream.

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