VERY VANILLA LAYER CAKE

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Ingredients

Cake

  • 4 large egg whites (about 120g)
  • 210 ml (3/4 + 1/8 cup) full fat milk
  • 2 1/2 tsp vanilla bean paste
  • 240 g (2 cups) plain flour
  • 25 g (scant 1/4 cup) cornflour (cornstarch)
  • 265 g (1 + 1/3 cups) caster sugar
  • 17 g (1 slightly rounded tbsp) baking powder
  • 1/2 tsp salt
  • 150 g (1/2 cup + 2tbsp) unsalted butter, softened

Buttercream

  • 200 ml (3/4 cup + 1tbsp + 1tsp) full fat milk
  • 4 tbsp plain flour
  • 175 g (3/4 cup) unsalted butter, softened
  • 175 g (3/4 cup + 2 tbsp) caster (superfine) sugar
  • 1 1/2 tsp vanilla bean paste
  • pinch salt


Instructions

Cakes

  1. Preheat the oven to 180C/350F/gas mark 4. Grease three 15cm/6in round cake tins and line with baking parchment.
  2. Mix together the egg whites, 80ml (1/3 cup) of the milk and the vanilla bean paste in a jug. Place the flour, cornflour, sugar, baking powder and salt in a large bowl or the bowl of your stand mixer and mix briefly to combine.
  3. Add the butter and the remaining 130ml of the milk and mix on low (with your stand mixer or an electric whisk) until moistened, turn the mixer up to medium and beat for about a minute and a half until smooth. Add the egg white mixture in three separate additions, beating well after each one and scraping down the sides of the bowl occasionally.
  4. Divide the batter evenly between the three pans and bake for 25-30 minutes until golden and a skewer inserted into the centre comes out clean. Leave to cool in the tins for 15 minutes or so before turning out onto a wire rack to cool completely.
  5. I find it easiest to ice cakes if they are cold or frozen (less crumbs), so if you like, once the cakes are cold you can put them in the freezer for an hour or two before you ice them; by the time you come to eat the cake they will have defrosted.

Buttercream

  1. Whisk together the milk and flour in a small pan until smooth. Place over a medium-low heat and whisk constantly until the mixture is very thick and paste-like. Scrape into a bowl, cover with clingfilm directly on the surface and refrigerate until completely cold.
  2. Once the flour mixture is cold, place the butter and sugar in a large bowl or the bowl of your stand mixer and whisk on high speed for a good few minutes until extremely light and fluffy. Whisk in the vanilla and salt.
  3. Whisk in the flour mixture a tablespoon at a time, whisking well after each addition, until it has all been mixed in and the buttercream is completely smooth, it should almost have the consistency of whipped cream.
  4. Place one of the cake layers on a cake stand or serving platter, spread a dollop of the buttercream over the top, place another cake layer on top, press down gently and repeat. Place the final cake layer on top and give the whole cake a very thin coating of buttercream, just enough to fill in the gaps. Use a palette knife or dough scraper to get it smooth.
  5. Place the remaining buttercream in a piping bag fitted with an open star nozzle (or nozzle of your choice) and pipe dollops of it over the top of the cake, starting with a ring around the outer edge and working your way inwards.
  6. The cake will remain soft for several days if stored in an airtight container at cool room temperature.