Caramel Cake

Hi guys today I will be sharing my version of Caramel Cake the base of the cake is vanilla chiffon cake and the icing is Caramel pastry cream .\r
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8 Egg yolks\r
80 g sugar\r
100ml oil\r
100 ml milk\r
1 1/2 tsp of vanilla\r
1/4 tsp of salt\r
200 grams cake flour\r
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meringue \r
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8 egg whites\r
100 g sugar\r
1/2 tsp cream of tartar