Flourless Chocolate Hazelnut Cake

User Reviews

4.8

12 reviews
Excellent
  • Prep Time

    45 mins

  • Cook Time

    45 mins

  • Total Time

    1 hr 40 mins

  • Servings

    12 servings

  • Calories

    639 kcal

  • Course

    Dessert

  • Cuisine

    American

Flourless Chocolate Hazelnut Cake

Learn to make a flourless chocolate hazelnut cake for Passover with this kosher, grain-free recipe from Chef Louise Mellor. Dessert, Kosher, Dairy.

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Ingredients

Servings

Cake Ingredients

  • 10 ounces premium quality bittersweet chocolate
  • 6 large eggs, separated
  • 3/4 cup + /3 cup granulated sugar, divided
  • 1/4 teaspoon salt
  • 4 ounces toasted hazelnuts
  • 3 tablespoons kosher powdered sugar (recipe below)
  • 1/4 cup premium quality cocoa powder
  • 3/4 cup unsalted butter, softened (1 1/2 sticks)
  • 1/3 cup hazelnut paste (recipe below)
  • 2 teaspoons strong brewed espresso, cooled completely
  • 2 teaspoons hazelnut liqueur
  • 2 teaspoons pure vanilla extract
  • vanilla ice cream
  • fresh raspberries

Hazelnut Paste Ingredients

  • 1/2 pound roasted hazelnuts (skins removed)
  • 2 tablespoons egg whites (about 2 egg whites)
  • 1 cup Passover Powdered Sugar (recipe below- or, buy Passover-approved powdered sugar))
  • 1 teaspoon hazelnut liqueur

Passover Powdered Sugar Ingredients (recipe from Martha Stewart)

  • 2 tablespoons Potato Starch
  • 2 cups granulated sugar
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Instructions

To Make Cake

  1. Preheat the oven to 325 degrees and adjust the rack to the middle of the oven.
  2. Cut a 9 inch circle of parchment paper to line a 9 inch spring form pan.
  3. Lightly, with nonstick cooking spray, spray the bottom of the pan, place the parchment into the bottom, and then lightly spray again, (spray-paper-spray) and set aside.
  4. Melt chocolate over water in a Bain Marie, stirring constantly to prevent burning. Once the chocolate is melted, set it aside to cool. 
  5. Add the egg whites to the bowl of an electric mixer, attach the whisk. Begin to whisk the egg whites on medium speed until they become bubbly and foamy. Then increase speed to high and whisk egg whites until they just begin to become soft peaks.
  6. Gradually add in 1/3 of the sugar and continue to whisk for an additional minute. Eggs should be in between soft and hard peaks. 
  7. Using a spatula, gently remove egg whites and transfer them into another clean bowl – set aside.
  8. In a bowl of a food processor, pulse the hazelnuts with the powdered sugar, cocoa, and salt to form a fine, sand like mixture. Do not overprocess.
  9. In the bowl of the electric mixer, combine the butter and ¾ cup of sugar. With the paddle attachment, cream the butter and sugar on medium to high speed until light and fluffy. 
  10. Beat in the Hazelnut Paste (recipe below), scraping down the sides of the bowl with a spatula – mix until well combined. Add in the yolks one at a time and mix until combined.
  11. Mix in the espresso, hazelnut liqueur and vanilla extract, followed by the melted chocolate – mix until just combined. Gently fold in the hazelnut mixture from the food processor. Fold in the egg whites in thirds until just combined – do not over mix.
  12. Place the batter evenly into the prepared pan and bake for 50 - 55 minutes. The finished cake will be slightly cracked and puffy. 
  13. Once removed from the oven, the cake will fall in the middle (don’t worry, it is suppose to). Allow to cool slightly then place into the refrigerator to cool completely and become firm (at least 4 – 6 hours or overnight). Do not try to unmold or slice while warm, the cake will fall apart and appear uncooked. 
  14. Unmold the sides, serve with vanilla ice cream and raspberries – garnish with Passover Powdered Sugar. 

To Make Hazelnut Paste

  1. In a food processor, finely grind the nuts until mealy. Add egg whites, confectioners' sugar and liqueur. Blend until paste forms. Wrap and store in a covered container, up to 2 weeks.

To Make Passover Powdered Sugar

  1. Regular powdered sugar contains cornstarch, which is considered kitniyot (some Ashkenazi Jews will not eat kitniyot during Passover). You can purchase Passover Powdered Sugar at many kosher markets. To make your own, in a food processor, combine potato starch and sugar (according to amounts above). Process until mixture is very powdery and resembles confectioners' sugar, about 2 minutes. Allow to settle for about 1 minute before removing processor cover.

Notes

  • You will also need: Springform pan, electric mixer, parchment paper, food processor, nonstick cooking spray

Nutrition Information

Show Details
Calories 639kcal (32%) Carbohydrates 63g (21%) Protein 9g (18%) Fat 40g (62%) Saturated Fat 14g (70%) Cholesterol 124mg (41%) Sodium 45mg (2%) Potassium 420mg (12%) Fiber 5g (20%) Sugar 53g (106%) Vitamin A 500IU (10%) Vitamin C 1.9mg (2%) Calcium 68mg (7%) Iron 3.6mg (20%)

Nutrition Facts

Serving: 12servings

Amount Per Serving

Calories 639 kcal

% Daily Value*

Calories 639kcal 32%
Carbohydrates 63g 21%
Protein 9g 18%
Fat 40g 62%
Saturated Fat 14g 70%
Cholesterol 124mg 41%
Sodium 45mg 2%
Potassium 420mg 9%
Fiber 5g 20%
Sugar 53g 106%
Vitamin A 500IU 10%
Vitamin C 1.9mg 2%
Calcium 68mg 7%
Iron 3.6mg 20%

* Percent Daily Values are based on a 2,000 calorie diet.

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