Steps:
- For the hazelnut cake: Preheat the oven to 325 degrees F. Butter and flour a 9-inch round or square baking pan.
- Pulse the hazelnuts until coarsely chopped in a food processor. Reserve. Combine the flour, cocoa powder, baking powder and salt together in a medium bowl.
- Combine the butter, sugar and vanilla in a large mixing bowl, and then beat until the mixture is light and fluffy, using an electric mixer. Beat in the eggs one at a time. Add the hazelnut paste and beat until incorporated and there are no lumps. Gradually add in the flour mixture, stopping the beater when it is just combined.
- Fold 1 cup of the chopped hazelnuts into the batter, reserving the rest for garnish.
- Transfer the batter to the pan and bake until a toothpick comes out clean when inserted into the middle of the cake, 45 to 50 minutes. Let the cake cool 10 minutes, then remove from the pan and let cool completely.
- For the nutella mousse: Mix the Nutella and mascarpone in a large bowl to combine. Beat the heavy cream in another large bowl, using a hand mixer, until just under soft peaks. Add in the Nutella mixture in 2 additions, and beat until you don't see any streaks. Place the mousse in a pastry bag fitted with a medium star tip. Refrigerate until ready to serve.
- To serve and assemble the cake: Cut the cake into 3-inch squares or rounds and cut each in half equatorially. Pipe the mousse on both the bottom and top halves of each of the cakes, and then give each cake a light sprinkey-dink of the chopped hazelnuts.
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Rebecca Gama
[email protected]This cake was absolutely delicious! I will definitely be making it again.
Aliza Malik
[email protected]I made this cake for a bake sale and it was a huge success! Everyone loved it and I sold out of all my slices.
Seven Sins YT
[email protected]This cake was a little dry for my taste. I think I would add some more liquid to the batter next time.
Christopher Baize
[email protected]I'm not a big fan of hazelnuts, but I really enjoyed this cake. The Nutella mousse was especially delicious.
Mastar Hayat
[email protected]This cake was amazing! It was so easy to make and it turned out so moist and flavorful. The Nutella mousse was the perfect topping.
Tambe Alain
[email protected]I had some trouble getting the cake to rise properly. I think I might have overmixed the batter. Otherwise, the cake was delicious.
Jana aboubakr
[email protected]This cake was a little too sweet for my taste, but it was still good. I think I would use less sugar next time.
Ganesh Saud
[email protected]I followed the recipe exactly and the cake turned out perfectly. It was moist and flavorful, and the mousse was smooth and creamy. I would definitely recommend this recipe.
Simone Jackson
[email protected]I made this cake for my husband's birthday and he loved it! He said it was the best cake he's ever had.
Kuti Gafar
[email protected]This cake was a hit at my dinner party! The hazelnut flavor was rich and nutty, and the Nutella mousse was light and fluffy. Everyone raved about it.