Cream fat, 125 g sugar, lemon peel and salt. Stir in the eggs one by one. Mix flour, starch and baking powder and stir in together with the rum. Put the dough into a greased springform pan (26 cm Ø) sprinkled with breadcrumbs and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 15-20 minutes. Mix icing sugar and 4 tablespoons lemon juice. Leave the cake to cool in the tin for about 10 minutes.
Then prick the base several times with a wooden stick and sprinkle with the lemon icing sugar juice. Remove the cake base from the tin and let it cool down on a cake rack. Place a high cake ring around the base. Mix the jelly in a small pot with 1/4 litre cold water. Let it swell for 5-10 minutes. Add 100 g sugar, heat while stirring until everything is dissolved (DO NOT BOIL). Let the jelly cool down. Stir cream cheese, 50 g sugar, 1 sachet vanilla sugar and 4 tablespoons lemon juice until creamy. Whip 500 g cream until stiff, chill. When the jelly starts to gel, stir in cream cheese. Then fold in 2 portions of cream. Spread the cream on the sand dough base until smooth. It is best to chill the cake overnight. Whip 150 g of cream until stiff, sprinkle in 1 sachet of vanilla sugar.
Stir cream cheese, 50 g sugar, 1 sachet vanilla sugar and 4 tablespoons lemon juice until creamy. Whip 500 g cream until stiff, chill. When the jelly starts to gel, stir in cream cheese. Then fold in 2 portions of cream. Spread the cream on the sand dough base until smooth. It is best to chill the cake overnight. Whip 150 g of cream until stiff, sprinkle in 1 sachet of vanilla sugar. Put into a piping bag with a star-shaped spout. Loosen the cake ring. Cut the cake in half and place the two round sides together as wings. Spray a thick strip of cream as a body on the middle part and decorate the wings with cream. Quarter lemon and lime slices and put them into the cream. Peel off the zest of two lemons with a julienne chaff in thin spirals and place them on the wings. Just before serving, sprinkle butterflies with yellow sugar crumbs and put two wafer rolls as feelers in the cream
Put into a piping bag with a star-shaped spout. Loosen the cake ring. Cut the cake in half and place the two round sides together as wings. Spray a thick strip of cream as a body on the middle part and decorate the wings with cream. Quarter lemon and lime slices and put them into the cream. Peel off the zest of two lemons with a julienne chaff in thin spirals and place them on the wings. Just before serving, sprinkle butterflies with yellow sugar crumbs and put two wafer rolls as feelers in the cream