NO OVEN NO MIXER Salted Caramel Chocolate Cake

Recipe:
1/ Chocolate cake base
-1 egg yolk
-5g sugar
-15g milk
-10g cooking oil
-5g cocoa powder
-15g cake floủ
-1 egg white
-1 little lime juice
-15g sugar
2/ Caramel dulce de leche
-80ml milk
-50g sugar
-10g water
-42g butter
-380 gr condensed milk
Refrigerate for 3 hours to thicken and then use
3/ The cake frosting:
-30-50g of dulce de leche
-150g fresh cream
-a little salt
-chocolate to decorate the cake