Dr Oetker rainbow layer cake

A show-stopping dessert that will truly be pride of the table

Ingredients


  • 15 large egg whites
  • 2 1/2 tsp dr. oetker cream of tartar
  • 375 g (8oz) caster sugar
  • 250 g (5oz) plain flour
  • 7.50 ml (1 ½ tsp) dr. oetker natural vanilla extract
  • dr. oetker bright red, sky blue, lime green, and sunshine yellow gel food colours
  • dr. oetker cake release spray

For the filling
  • 175 g (6oz) unsalted butter, softened
  • 325 g (11oz) plus 1 tsp icing sugar
  • 5 ml (1 tsp) dr. oetker natural vanilla extract
  • 100 g (3 1/2 oz) full fat cheese

Method

  1. Preheat the oven to 180°C (160°C fan assisted oven/350°F/Gas 4). Spray five, 20cm (8inch) diameter Victoria sandwich tins with Cake Release Spray to grease.
  2. In a large, grease-free bowl, whisk the egg whites until stiff. Add the Cream of Tartar, half of the sugar and the Natural Vanilla Extract. Whisk until thick and glossy.
  3. Sift in the flour and remaining sugar into the mixture gradually, in 4 batches, folding in gently after each addition, until well combined.
  4. Divide the mixture equally between 5 bowls and add a few drops of a different Gel Food Colour to each bowl to achieve desired colour level. Carefully fold in the Gel Food Colour and spoon the mixture into the tins.
  5. Smooth the tops and bake on the middle shelf in the oven for 14-15 minutes until just firm to the touch and very lightly browned. Carefully turn on to a wire rack to cool completely.
  6. To serve, place the butter in a mixing bowl and gradually sieve and mix in all but 1 tsp icing sugar. Stir in the Natural Vanilla Extract and mix in the soft cheese. Mix well to make a smooth, creamy, spreadable filling. Spread 4 layers of sponge with sufficient filling to just cover and sandwich together. Serve dusted with remaining icing sugar.




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