Line a springform pan (26 cm Ø; approx. 8 cm high) at the bottom with baking paper. Peel, wash and finely grate the carrots. Squeeze them with your hands and then loosen them up.
Separate 6 eggs. Beat 6 egg whites and 1 pinch of salt until stiff, add 200 g sugar. Fold in 6 egg yolks one after the other. Sift the starch and baking powder and mix with the almonds. Add the carrots to the egg foam.
Paint into the mould. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer) for approx. 35 minutes. Leave to cool in the mould.
Drain the cherries. Cut the cake base twice horizontally. Close a cake ring around the lower cake base.
Separate 6 eggs. Beat 6 egg whites and 1 pinch of salt until stiff. Whip 300 g cream until stiff. Soak gelatine in cold water. Whisk 6 egg yolks and 150 g sugar with the whisk of the hand mixer in a hot (but not boiling!) water bath for about 6 minutes until thick and creamy, remove from water bath.
Stir in lemon peel and lemon juice. Squeeze the gelatine, dissolve in the hot egg yolk cream while stirring. Immediately fold cream, then egg whites into the cream.
1⁄6 Spread the cream on the lower base. Spread half the cherries on top. Spread with 1⁄6 cream. Place the middle cake base on top and spread 1⁄6 cream on top. Spread the remaining cherries on top and spread 1⁄6 cream on top.
Cover with upper floor. Spread the rest of the cream loosely. Chill for at least 3 hours.
Whip 100-150 g cream until stiff, fill into a piping bag with a medium-sized star-shaped spout. Spray nests on the cake. Decorate the cake with marzipan carrots and pistachios.