Frostbitten Raspberry Cake Recipe

Three layer vanilla sponge cake filled with raspberry compote and mascarpone frosting, covered in white chocolate frosting.

Ingredients

For the Cake

• 5 eggs room temperature, large
• 1 cup / 200g sugar
• 2 tsp vanilla
• 1 cup / 120g flour

For the Syrup (for soaking the sponge layers)

• ¼ cup / 60ml raspberry liqueur
• ¼ cup / 60ml simple syrup

For the Mascarpone Cream

• 1 cup / 250g mascarpone
• 1 cup / 250ml whipping cream
• ¼ cup / 15g icing sugar
• 2 tsp gelatine
• 2 tbsp water
• 2 tsp vanilla

For the Raspberry Compote

• 1 ½ cups / 190g raspberries fresh or frozen (I used frozen)
• ½ cup / 100g sugar
• 2 tbsp water
• 1 cup / 125g fresh raspberries

For the White Chocolate Buttercream

• 5 oz / 150g white chocolate chopped (not chocolate chips)
• ¼ cup / 60ml whipping/double cream
• 4 tbsp unsalted butter softened

For decoration

• 1 sprig rosemary
• ¼ cup / 30g raspberries
• Icing sugar for dusting

Instructions

For the Cake

1. Preheat the oven to 350F/180C.
2. Grease 3 8″ cake pans and line them with parchment paper. (Russian sponge is very delicate so it’s important to use parchment paper for easy removal.)
3. Crack 5 eggs at room temperature to a bowl of a stand mixer and add sugar and vanilla, beat at high speed for 5 minutes until the mixture is pale and triples in volume.
4. Fold in flour through a sifter in 5-6 additions blending it in gently after each addition.
5. Your goal is to keep the volume of the egg mixture so be very careful in this step of the process.
6. Divide your cake batter among 3 pans and bake for 25-30 minutes until cake tester or tooth pick comes out clean and the cakes have risen to the top of the pan. (I baked 2 layers and then 1 later).
7. Cool for 10 minutes and then run a knife around the edges of your pans to release the cakes and flip them over on a wire rack to cool completely. (After your cakes have cooled you can individually wrap them in plastic wrap for later use. You can bake you sponge layers a day ahead.)

For Raspberry Compote

1. Combine 1 ½ cups of raspberries and sugar with water in a small saucepan and cook on low heat until thick and mixture coats the back of a spoon. It will take about 15 minutes.
2. Remove from heat and process in a food processor or a blender until smooth.
3. Push through a fine sieve to get rid of the seeds.
4. Combine the compote with fresh raspberries and set aside.

For the Mascarpone Cream

1. Mix gelatine with water in a small bowl. Let it sit for 5 minutes until it goes spongy.
2. Heat the gelatine mixture in a microwave for 10 seconds until runny and smooth.
3. Combine mascarpone, whipping cream, sugar and vanilla in a bowl of a stand mixer.
4. Start whipping on medium speed until combined.
5. With the motor of a stand mixer still running drizzle your gelatine mixture over the cream and whip for 2-3 minutes until well combined.

For the Syrup

1. Combine raspberry liqueur with simple syrup (water and sugar mixed in equal parts).
2. Drizzle over the cake layers. (Russian sponge really benefits from being drizzled with a flavoured syrup since there is no fat mixed into the batter and it can taste on the dry side without the syrup.)

How to assemble the cake

1. Load your mascarpone cream in a large piping bag with a plain round tip.
2. Pipe a border around the first drizzled with syrup layer, it will keep your raspberry compote from leaking out of the sides.
3. Fill with half of your raspberry compote. ( It won’t cover the entire layer, the berries will be spread sparsely.)
4. Then pipe in the mascarpone cream in the empty spaces and smooth it out with a spatula. You shouldn’t have any gaps.
5. Top with another layer and repeat the process.
6. Finish with the third layer.

For the White Chocolate Buttercream

1. Heat ¼ cream in a saucepan until it just simmers but not boiling.
2. Take off the heat and pour over chopped white chocolate in a medium sized bowl.
3. Let it sit for a couple of minutes and then stir until chocolate is melted into the cream.
4. Cool for 10 minutes and then start whipping in a stand mixer or with a hand mixer. (Hand mixer works better here because of the small amount).
5. Mix for 10 minutes until light and fluffy, then start adding softened butter by a tablespoon, mix well until entirely incorporated into the frosting after each addition. (You will have enough frosting for a thin layer around the cake. If you like more frosting on your cake simply double the recipe but it will make a very sweet cake.)
6. Spread ½ of the buttercream over the cake and let it chill in the fridge for 20 minutes.
7. Coat your chilled cake with the other half of the frosting and decorate with rosemary and raspberries.

Source: Vikalinka

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