Viennese-Inspired Coffee and Walnut Cake
A moist walnut cake infused with espresso and layered with a smooth coffee buttercream, evoking the charm of Vienna's coffee culture. This austrian-inspired desserts ready in about 55 minutes layers all-purpose flour, baking powder, (softened) unsalted butter into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 320 calories and feeds 8, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 1/2 cups all-purpose flour
- 1 1/2 tsp baking powder
- 1/2 cup (softened) unsalted butter
- 1 cup granulated sugar
- 2 large eggs
- 1/4 cup strong brewed espresso
- 3/4 cup finely chopped walnuts
- 1/4 cup milk
- 1 1/2 cups powdered sugar
- 1/4 cup (softened) unsalted butter for frosting
- 1 tsp vanilla extract
- 1 tsp dissolved in 1 tbsp hot water instant coffee granules
Instructions
- Step 1: Preheat oven to 350°F and grease a 9-inch round cake pan. In a medium bowl, whisk together 1 1/2 cups all-purpose flour and 1 1/2 tsp baking powder.
- Step 2: In a large bowl, beat 1/2 cup softened unsalted butter and 1 cup granulated sugar with an electric mixer until light and fluffy, about 3 minutes.
- Step 3: Add 2 large eggs one at a time to the butter-sugar mixture, beating well after each addition. Mix in 1/4 cup strong brewed espresso.
- Step 4: Gradually add the flour mixture alternately with 1/4 cup milk, beginning and ending with flour. Fold in 3/4 cup finely chopped walnuts gently until combined.
- Step 5: Pour the batter into the prepared pan and bake for 30-35 minutes until a toothpick inserted in the center comes out clean. Let the cake cool completely on a wire rack.
- Step 6: For the frosting, beat 1/4 cup softened unsalted butter until creamy, then gradually add 1 1/2 cups powdered sugar, 1 tsp vanilla extract, and 1 tsp instant coffee dissolved in 1 tbsp hot water. Beat until smooth and fluffy.
- Step 7: Spread the coffee buttercream evenly over the cooled cake and garnish with extra chopped walnuts if desired.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Viennese-Inspired Coffee and Walnut Cake take to make?
Total time is about 55 minutes (20 min prep + 35 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover Viennese-Inspired Coffee and Walnut Cake?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in Viennese-Inspired Coffee and Walnut Cake?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Viennese-Inspired Coffee and Walnut Cake for a different number of people?
The recipe is written for 8 servings. Multiply each ingredient by (your serving target / 8). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Viennese-Inspired Coffee and Walnut Cake?
Austrian desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.