Peel the mango, cut the flesh off the stone and dice. Cream fat, sugar, vanilla sugar and salt with the whisk of the hand mixer. Stir in the eggs one after the other. Mix flour, up to 1 tablespoon, with baking powder, stir in the juice of 1 lime and lime zest. Dust mango cubes with 1 tablespoon of flour and fold in. Grease a cake tin (capacity 2.5 litres) and sprinkle lightly with flour. Pour in the dough.
Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 60 minutes. Let the cake cool down a little, turn out of the tin and let it cool down on a cake rack. Mix icing sugar with the juice of 1 lime. Spread the icing over the cake. Let it dry. Roll lime slices and peel in sugar. Decorate the cake with it
waiting time approx. 2 hours