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Hazelnut Chocolate Brownies stacked
5 from 7 votes

Buttered Hazelnut Chocolate Brownies

If you’re a chocolate hazelnut fan, then you’ll fall in love with buttered hazelnut brownies

Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 30 Brownies
Calories 178 kcal
Author Janet Barton



  • 2 cups sugar
  • 1 cup flour
  • 1 cup unsweetened cocoa powder
  • 1 teaspoon salt
  • 1/2 cup unsalted butter melted
  • 1/2 cup hazelnut paste or butter
  • 4 eggs
  • 1 tablespoon vanilla

Buttered hazelnuts:

  • 1/2 tablespoon butter
  • 1/2 - 2/3 cups hazelnuts coarsely chopped
  • pinch salt

Ganach topping:

  • 12 ounces bittersweet or semi-sweet chocolate
  • 3/4 cup cream
  • 1/2 cup hazelnut paste or butter


To make the Brownies:

  1. Line a 9 x 13-inch baking pan with parchment.  Set aside and preheat oven to 350F degrees.
  2. In a large mixing bowl, whisk or sift together sugar, flour, cocoa, and salt.  
  3. Stir hazelnut paste into melted butter.  Pour over dry ingredients and mix.
  4. Stir in eggs and vanilla

Spread evenly into prepared pan.  Bake for 30 minutes.  Remove from oven and cool completelyButtered Hazelnuts:

  1. In a small skillet melt butter,  Add chopped hazelnuts and sprinkle with flaked sea salt.  Stir until nuts begin to brown.  Remove from heat.  Cool.

To make Ganache Topping:

  1. Set a medium size bowl over the top of a small saucepan of simmering water. 
  2. Add chocolate, and cream.  Allow to sit over steaming water for a few minutes until chocolate begins to melt.  Stir until smooth.  
  3. Remove bowl from heat and add hazelnut paste.  Stir until smooth
  4. Pour over top of cooled brownies
  5. Top with buttered hazelnuts and a sprinkle of flaked sea salt (Maldon)
  6. Allow ganache to firm up before slicing.

Recipe Notes

  • Hazelnut Praline Paste is preferred, but hazelnut butter spread may be used.  Make sure it is as creamy as possible.  Hazelnut butter paste will be a bit more gritty.
  • Hazelnut Praline Paste can be substituted with an additional 1/2 cup butter.


Nutrition Facts
Buttered Hazelnut Chocolate Brownies
Amount Per Serving (36 g)
Calories 178 Calories from Fat 106
% Daily Value*
Fat 11.8g18%
Saturated Fat 4.3g22%
Trans Fat 0g
Polyunsaturated Fat 0g
Monounsaturated Fat 0g
Cholesterol 29mg10%
Sodium 95mg4%
Potassium 0mg0%
Carbohydrates 16.9g6%
Fiber 0.3g1%
Sugar 11.8g13%
Protein 3g6%
Vitamin A 0IU0%
Vitamin C 0mg0%
Calcium 0mg0%
Iron 0mg0%
* Percent Daily Values are based on a 2000 calorie diet.