Coffee Walnut Cake is a rich, moist cake with a deep coffee flavor that perfectly complements the crunch of toasted walnuts. The cake is infused with brewed coffee, giving it a sophisticated taste, while the addition of walnuts provides a satisfying crunch. This cake is perfect for coffee lovers and pairs beautifully with a cup of espresso or tea. Its perfect balance of sweetness and nuttiness makes it an irresistible treat for any occasion.
Origin:
This cake is inspired by the timeless combination of coffee and nuts, a flavor pairing popular in many European desserts. Coffee walnut cakes are often enjoyed in the UK and other parts of Europe, where coffee-flavored desserts are a classic choice for teatime or as a sweet indulgence.
Ingredients:
For the Cake:
- 1 1/2 cups (180g) all-purpose flour
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup (115g) unsalted butter, softened
- 1 cup (200g) granulated sugar
- 2 large eggs
- 1/4 cup (60ml) brewed coffee (cooled)
- 1 teaspoon vanilla extract
- 1/2 cup (120ml) buttermilk (or regular milk)
- 1/2 cup (50g) chopped walnuts (toasted)
For the Coffee Buttercream Frosting:
- 1 cup (230g) unsalted butter, softened
- 3 cups (360g) powdered sugar
- 2 tablespoons brewed coffee (cooled)
- 1 teaspoon vanilla extract
- 1/4 teaspoon salt
- 1/4 cup (30g) finely chopped walnuts (for decorating)
Instructions:
Prepare the Cake:
- Preheat the oven to 350°F (175°C). Grease and line two 8-inch round cake pans with parchment paper.
- In a medium bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
- In a large mixing bowl, beat together the softened butter and granulated sugar until light and fluffy (about 3-5 minutes).
- Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract.
- Gradually add the dry ingredients to the butter mixture, alternating with the brewed coffee and buttermilk. Begin and end with the dry ingredients, mixing until just combined.
- Gently fold in the toasted walnuts until evenly distributed.
- Divide the batter evenly between the prepared cake pans and smooth the tops.
- Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Allow the cakes to cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
Prepare the Coffee Buttercream Frosting:
- In a large mixing bowl, beat the softened butter with a hand mixer or stand mixer until creamy and smooth.
- Gradually add the powdered sugar, one cup at a time, mixing well after each addition.
- Stir in the cooled brewed coffee, vanilla extract, and salt. Continue beating until the frosting is light and fluffy (about 3-5 minutes).
Assemble the Cake:
- Once the cakes have cooled completely, place one layer on a serving platter. Spread a generous layer of coffee buttercream frosting over the top.
- Place the second cake layer on top and frost the entire cake with the remaining coffee buttercream.
- Decorate the top and sides of the cake with the finely chopped walnuts for a beautiful finish.
Serve:
- Let the cake set for 15-20 minutes before slicing to allow the frosting to firm up slightly. Enjoy with a cup of coffee or tea.
Tips for Success:
- For extra flavor, you can add a tablespoon of coffee liqueur (such as Kahlúa) to the batter or frosting.
- Make sure to toast the walnuts before adding them to the cake or using them for decoration to bring out their nutty flavor.
- The cake can be made a day ahead of time; store it in an airtight container at room temperature or refrigerate if you prefer a firmer frosting.
Recommendations:
- Serve this cake with a strong cup of coffee or a latte to enhance the coffee flavor.
- Leftover cake can be stored in an airtight container for up to 3 days. If refrigerated, let it come to room temperature before serving.
Nutrition (per serving, approximate for 12 servings):
- Calories: ~350
- Protein: 4g
- Fat: 21g
- Carbohydrates: 38g
- Sugar: 28g
- Fiber: 2g
- Sodium: 180mg
This Coffee Walnut Cake is a delightful treat that combines the bold flavor of coffee with the richness of walnuts—perfect for any coffee lover!
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