Preparation
First make the pastry case
· Beat the eggs and the sugar until fluffy, then add the water
· Mix the flour with the cornflour and the baking powder and carefully sift through a fine sieve into the mixture
· Pour the dough into a round springform baking tin and bake for 50-60 minutes at 200 °C until the surface is golden brown
· Leave to cool on a wire rack, then cut horizontally into three equally thick layers
· Turn the top disc upside down and place on a cake plate. Sprinkle with orange juice
· Spread on the apple sauce thinly and evenly using a knife; do the same with the whipped cream
· Place the second layer of cake on top and repeat the same process: sprinkle with orange juice, then spread on the apple sauce and whipped cream. Then place the third layer on top
· Sprinkle orange juice onto the topmost layer
· Then make the caramel sauce
· Stir the soft brown sugar and the cream in a heavy-based saucepan until the mixture is thick Make sure it does not burn!
· Add the butter to make the caramel sauce glisten
· With a teaspoon, let a drop of the sauce fall onto the gateau
· The sauce is ready if it does not seep into the gateau
· Cover the gateau evenly with the caramel sauce; leave to cool
Finally, decorate the sides of the gateau with whipped cream