Coffee Smoothie Recipe
Rich, velvety coffee smoothie transformed into a baked delight with deep espresso notes, nutty undertones, and a lusciously moist texture that melts on your tongue.
Ingredients
<ul class="ingredients-main-list"><li class="ingredients-single-item">175g unsalted butter, softened</li><li class="ingredients-single-item">150g caster sugar</li><li class="ingredients-single-item">3 large eggs, room temperature</li><li class="ingredients-single-item">175g self-raising flour</li><li class="ingredients-single-item">2 tbsp instant espresso powder (dissolved in 1 tbsp hot water)</li><li class="ingredients-single-item">60ml strong brewed coffee, cooled</li><li class="ingredients-single-item">50g ground almonds</li><li class="ingredients-single-item">1 tsp vanilla extract</li><li class="ingredients-single-item">For the coffee cream frosting:</li><li class="ingredients-single-item">200g mascarpone (or cream cheese)</li><li class="ingredients-single-item">200ml double cream</li><li class="ingredients-single-item">75g icing sugar, sifted</li><li class="ingredients-single-item">1 tbsp instant espresso powder (dissolved in 1 tbsp hot water)</li><li class="ingredients-single-item">For decoration:</li><li class="ingredients-single-item">2 tbsp cocoa powder for dusting</li><li class="ingredients-single-item">Chocolate-covered coffee beans (optional)</li></ul>
Equipment
<ul class="equipment-main-list"><li class="equipment-single-item">20cm round cake tin</li><li class="equipment-single-item">Electric mixer</li><li class="equipment-single-item">Fine mesh sieve</li><li class="equipment-single-item">Offset spatula</li></ul>
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Directions
<ol class="no-list-style"><li class="MethodStepper"><h4 class="step-title">Step 1</h4>Preheat your oven to 180°C (160°C fan) and line a 20cm round cake tin with parchment paper. Grease the sides lightly with butter to ensure your cake releases perfectly after baking.</li><li class="MethodStepper"><h4 class="step-title">Step 2</h4>In a small bowl, dissolve 2 tablespoons of instant espresso powder in 1 tablespoon of hot water, stirring until you have a smooth, intensely flavored coffee paste. Set aside to cool slightly - this concentrated coffee flavor is essential for that authentic smoothie taste.</li><li class="MethodStepper"><h4 class="step-title">Step 3</h4>In a large mixing bowl, cream together the softened butter and caster sugar for at least 5 minutes until very pale and fluffy. This extended creaming creates tiny air bubbles that will help your cake rise beautifully and achieve that light, smoothie-like texture.</li><li class="MethodStepper"><h4 class="step-title">Step 4</h4>Add the eggs one at a time, beating well after each addition. If the mixture looks like it's starting to curdle, add a tablespoon of the flour to stabilize the emulsion. Properly incorporated eggs provide structure and richness to your cake.</li><li class="MethodStepper"><h4 class="step-title">Step 5</h4>Gently fold in the self-raising flour and ground almonds using a metal spoon or spatula. The ground almonds add moisture and a subtle nutty flavor that complements the coffee beautifully. Keep your folding motion light to maintain the air you've worked into the batter.</li><li class="MethodStepper"><h4 class="step-title">Step 6</h4>Add the dissolved espresso paste, cooled brewed coffee, and vanilla extract to the batter. Fold gently until everything is just combined and the batter has a uniform coffee color. Avoid overmixing at this stage as it can make your cake dense rather than light and fluffy.</li><li class="MethodStepper"><h4 class="step-title">Step 7</h4>Pour the batter into your prepared cake tin, smooth the top with an offset spatula, and bake for 25-30 minutes. Your cake is done when it's risen, golden brown, and a skewer inserted into the center comes out clean with just a few moist crumbs.</li><li class="MethodStepper"><h4 class="step-title">Step 8</h4>Allow the cake to cool in the tin for 10 minutes before turning out onto a wire rack to cool completely. This gradual cooling helps prevent your cake from sinking in the middle or becoming too dense.</li><li class="MethodStepper"><h4 class="step-title">Step 9</h4>For the coffee cream frosting, dissolve 1 tablespoon of instant espresso powder in 1 tablespoon of hot water and let it cool. Beat the mascarpone, double cream, and sifted icing sugar until it begins to thicken. Add the dissolved coffee and continue beating until the mixture holds soft peaks - be careful not to overwhip as the mascarpone can separate.</li><li class="MethodStepper"><h4 class="step-title">Step 10</h4>Once the cake is completely cool, spread the coffee cream frosting generously over the top and sides using an offset spatula. Create decorative swirls to mimic the appearance of a frothy coffee smoothie. The contrast between the moist cake and the creamy frosting creates the perfect balance of textures.</li><li class="MethodStepper"><h4 class="step-title">Step 11</h4>Dust the top with cocoa powder using a fine mesh sieve for an elegant finish. If using, arrange chocolate-covered coffee beans around the edge for decoration and an extra hit of coffee flavor. Refrigerate for at least 30 minutes to allow the frosting to set before serving.</li></ol>
Chef’s Notes
A few helpful details for making this recipe.
Can I make this coffee cake without mascarpone cheese?
Yes, you can substitute the mascarpone with cream cheese for a slightly tangier flavour, or use whipped double cream with a stabiliser like gelatine for a lighter frosting. Full-fat Greek yoghurt mixed with whipped cream also works beautifully as an alternative.
What's the secret to achieving the perfect coffee flavour intensity in baked goods?
The key is using both instant espresso powder (which has more concentrated flavour than regular instant coffee) and brewed coffee. Dissolving the espresso powder in hot water before adding creates a paste that evenly distributes the coffee flavour throughout the batter without diluting it.
How can I adapt this recipe for a layer cake version?
Split the batter between two 18cm tins and reduce baking time to 20-25 minutes. Double the frosting quantity to fill between layers and cover the outside. For extra indulgence, brush each layer with coffee liqueur or espresso syrup before assembling.
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