Romanian Walnut Buttercream Cake


Romanian Walnut Buttercream Cake is a cherished dessert that embodies the rich culinary heritage of Romania. This decadent cake features layers of tender sponge cake filled with a luscious walnut buttercream frosting, creating a symphony of flavors and textures that delight the senses. In this article, we’ll explore the allure of Romanian Walnut Buttercream Cake, share an authentic recipe, and delve into why it’s a beloved treat for special occasions and gatherings in Romanian culture.

Embracing Culinary Tradition: Romanian Walnut Buttercream Cake holds a special place in Romanian cuisine, often served during holidays, celebrations, and family gatherings. Its origins can be traced back to traditional Romanian baking techniques and the use of locally sourced ingredients such as walnuts, which are abundant in the region. With its delicate layers and indulgent frosting, this cake represents the essence of Romanian hospitality and culinary craftsmanship.

The Recipe: Now, let’s embark on a journey to create this exquisite Romanian Walnut Buttercream Cake in your own kitchen. Here’s what you’ll need:


For the Sponge Cake:

  • 6 large eggs, separated
  • 1 cup granulated sugar
  • 1 cup all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 teaspoon vanilla extract

For the Walnut Buttercream:

  • 1 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 1 cup ground walnuts
  • 1 teaspoon vanilla extract


  1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
  2. In a large mixing bowl, beat the egg yolks with the granulated sugar until pale and thick. Stir in the vanilla extract.
  3. In a separate bowl, sift together the flour, baking powder, and salt. Gradually add the dry ingredients to the egg yolk mixture, mixing until well combined.
  4. In another clean mixing bowl, beat the egg whites until stiff peaks form. Gently fold the beaten egg whites into the batter until evenly incorporated.
  5. Divide the batter evenly between the prepared cake pans and smooth the tops with a spatula.
  6. Bake in the preheated oven for 25-30 minutes, or until the cakes are golden brown and spring back when lightly touched.
  7. Remove the cakes from the oven and let them cool in the pans for 10 minutes before transferring them to wire racks to cool completely.

For the Walnut Buttercream:

  1. In a mixing bowl, cream the softened butter until smooth and creamy.
  2. Gradually add the powdered sugar, beating until light and fluffy.
  3. Stir in the ground walnuts and vanilla extract until well incorporated.


  1. Place one cooled cake layer on a serving plate or cake stand.
  2. Spread a generous layer of walnut buttercream frosting over the top of the cake layer.
  3. Place the second cake layer on top and frost the top and sides of the cake with the remaining walnut buttercream.
  4. Optional: Garnish the cake with additional chopped walnuts or decorative frosting designs.

Serving Tips:

  1. Slice with a Sharp Knife: Use a sharp knife to slice the Romanian Walnut Buttercream Cake into neat, even portions. Wiping the knife clean between cuts will ensure each slice looks as appetizing as the first.
  2. Garnish with Walnuts: For an elegant presentation, garnish the top of the cake with whole or chopped walnuts just before serving. This adds a visual appeal and hints at the delicious walnut flavor within.
  3. Serve with Coffee or Tea: Pair slices of the cake with a steaming cup of coffee or fragrant tea to complement its rich flavors. The warmth of the beverage enhances the indulgence of the cake.

Storage Tips:

  1. Refrigerate: Store any leftover Romanian Walnut Buttercream Cake in an airtight cake container or wrapped tightly in plastic wrap in the refrigerator. The buttercream frosting can become soft at room temperature, so refrigeration helps maintain its texture.
  2. Consume Within a Few Days: Enjoy the cake within 3-4 days for the best taste and texture. Over time, the cake may start to dry out, so it’s best to indulge while it’s fresh.
  3. Freeze for Longer Storage: If you wish to extend the shelf life, you can freeze the cake. Wrap individual slices or the whole cake tightly in plastic wrap and aluminum foil before placing them in a freezer-safe container. Thaw slices in the refrigerator overnight before serving. While the texture may be slightly different after freezing, the flavor remains intact.

Variations of Romanian Walnut Buttercream Cake:

  1. Chocolate Walnut Buttercream Cake:
    • Add cocoa powder to the sponge cake batter for a chocolatey twist. Incorporate chopped chocolate or cocoa powder into the walnut buttercream frosting for a decadent chocolate-walnut flavor. Optionally, drizzle melted chocolate over the top of the cake for extra indulgence.
  2. Coffee Walnut Buttercream Cake:
    • Infuse the sponge cake with coffee flavor by adding instant coffee granules or brewed coffee to the batter. For the buttercream frosting, dissolve instant coffee granules in a small amount of hot water before mixing with the butter and powdered sugar. Garnish the cake with coffee beans or a dusting of cocoa powder for a sophisticated touch.
  3. Lemon Walnut Buttercream Cake:
    • Add lemon zest and a splash of lemon juice to the sponge cake batter for a refreshing citrus flavor. For the buttercream frosting, incorporate lemon zest and a touch of lemon extract to complement the walnut flavor. Garnish the cake with lemon slices or candied lemon peel for an elegant finish.
  4. Maple Walnut Buttercream Cake:
    • Substitute some of the granulated sugar in the sponge cake batter with maple syrup for a subtle maple flavor. Incorporate maple syrup into the buttercream frosting along with the ground walnuts. Drizzle additional maple syrup over the top of the cake before serving for extra sweetness.
  5. Spiced Walnut Buttercream Cake:
    • Add warm spices such as cinnamon, nutmeg, and cloves to the sponge cake batter for a cozy, autumnal flavor. For the buttercream frosting, mix in a pinch of the same spices along with the ground walnuts. Dust the top of the cake with cinnamon sugar or powdered sugar for a festive touch.

FAQs about Romanian Walnut Buttercream Cake:

  1. Is Romanian Walnut Buttercream Cake difficult to make?
    • While it may seem intricate, the recipe is straightforward with simple techniques. Following the instructions carefully ensures a delicious outcome.
  2. Can I make the cake layers in advance?
    • Yes, you can bake the cake layers ahead of time and store them in an airtight container at room temperature for up to 2 days or freeze them for longer storage.
  3. What if I don’t have ground walnuts for the frosting?
    • You can grind whole walnuts in a food processor until finely ground. Alternatively, you can use store-bought ground walnuts or substitute with another nut such as almonds or hazelnuts.
  4. Can I make the cake without nuts for allergies?
    • Yes, you can omit the walnuts from the cake and frosting if there are nut allergies. The cake will still be delicious with a traditional buttercream frosting.
  5. How do I prevent the cake from sticking to the pan?
    • Grease and flour the cake pans generously before pouring in the batter. You can also line the bottom of the pans with parchment paper for added insurance against sticking.
  6. Can I use a different type of frosting?
    • Absolutely! While walnut buttercream is traditional, you can use any frosting you prefer, such as chocolate ganache, cream cheese frosting, or whipped cream.
  7. What if my frosting is too thick or thin?
    • Adjust the consistency of the frosting by adding more powdered sugar to thicken it or a little milk or cream to thin it out until you reach the desired texture.
  8. How should I store leftovers?
    • Leftover cake should be stored in an airtight container in the refrigerator. Bring it to room temperature before serving for the best taste and texture.
  9. Can I freeze the cake?
    • Yes, you can freeze the assembled cake or individual slices. Wrap them tightly in plastic wrap and aluminum foil before placing them in a freezer-safe container.
  10. How long will the cake stay fresh?
    • The cake will stay fresh for 3-4 days when stored properly in the refrigerator. Enjoy it within this timeframe for the best taste and quality.


Romanian Walnut Buttercream Cake is a timeless delicacy that celebrates the flavors and traditions of Romanian cuisine. With its tender sponge cake and luxurious walnut buttercream frosting, this dessert is a true indulgence for any occasion. Whether shared with loved ones or savored as a special treat, this cake invites you to experience the warmth and hospitality of Romanian culture with every decadent bite.

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