Panj Cake, a rolled biscuit with walnuts and chocolate

Panj Cake, a rolled biscuit with walnuts and chocolate

Baking

A rolled biscuit filled with walnuts and cocoa, topped with two vanilla creams: one with caramelized walnuts and the other with chocolate, all covered in …

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This cake is a rolled cake made with a walnut and cocoa biscuit. It is layered with two creams before being topped with chocolate cream.

Ingredients and directions

  • Prep time1 hr
  • Cook time30 min
  • Resting1 hr
  • Total2 hr 30 min
  • DifficultyHard
  • CostBudget
  • Cooking methodfour
  • Estimated cost$20.22 $2.53 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 7, 2026.
  • Vegetarian

Ingredients

8 people

Cookie

  • $3.14
  • $2.91
  • $0.15
  • $0.04
  • $5.95
  • $0.28

Cream

  • $0.50
  • $0.12
  • $0.10
  • $2.31
  • $0.15

Walnut-based filling

  • $0.17
  • $4.40

Prices from US supermarkets for 8 of 13 ingredients; Belgian prices for the rest.

Directions

  1. Whisk the egg whites with the sugar until stiff peaks form, then add the yolks and continue whisking. ≈ 4 min
  2. Add the flour mixed with cocoa, lemon zest, and ground walnuts. Knead the dough and spread it on a baking sheet.
  3. Bake for 10 minutes at 200 °C, then reduce the temperature to 180 °C and continue baking for another 10 minutes.
  4. Place the biscuit on a damp dishcloth and roll it up, then let it cool.
  5. Take 5 or 6 tablespoons of milk and bring the rest to a boil. Whisk the milk with the sugar, vanilla, and flour until there are no lumps.
  6. Pour: Pour, add to the hot milk and whisk for 2-3 minutes. Allow to cool, stirring occasionally to prevent a skin from forming.
  7. Once cooled, mix with the butter and powdered sugar. Divide into two portions; in one, incorporate the melted chocolate. ≈ 4 min
  8. Boil the water with the sugar for 2-3 minutes, then add the walnuts and cook for another 1-2 minutes, before letting it cool.
  9. Unroll the biscuit, spread the chocolate-free cream evenly, then spread the walnut filling on one half. Roll again and refrigerate for 20 minutes.
  10. Once the cake has cooled, pour the chocolate cream over it, similar to frosting, and serve. ≈ 2 min

The bill

Panj Cake, a rolled biscuit with walnuts and chocolate

  • 9 egg whites$3.14
  • 9 egg yolks$2.91
  • 9 tablespoons of sugar$0.15
  • 2 tablespoons of flour$0.04
  • 18 tablespoons of ground walnuts$5.95
  • 1 teaspoon of lemon zest$0.28
  • 500 ml of milk$0.50
  • 6 tablespoons of flour$0.12
  • 6 tablespoons of sugar$0.10
  • 250 g of butter$2.31
  • 2 to 3 tablespoons of powdered sugar$0.15
  • 150 g of sugar$0.17
  • 200 g of ground walnuts$4.40

Total$20.22

that's $2.53 per person

Estimated price; varies by store.

Before you start

Ingredients

  • 9 egg whites
  • 9 egg yolks
  • 9 tablespoons of sugar
  • 2 tablespoons of flour
  • 18 tablespoons of ground walnuts
  • 2 tablespoons of cocoa
  • 1 teaspoon of lemon zest
  • 500 ml of milk
  • 6 tablespoons of flour
  • 6 tablespoons of sugar
  • 1 tablespoon of vanilla
  • 250 g of butter
  • 2 to 3 tablespoons of powdered sugar
  • 100 grams of chocolate
  • 150 g of sugar
  • 100 ml of water
  • 200 g of ground walnuts

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