Cassata Cake

Ingredients

850 gr sugar
230 gr butter
6 egg yolks
250 gr cake flour
2 gr baking powder
1 gr salt
300 ml milk
6 egg whites
34 gr pistachios
24 gr cornstarch
240 gr ricotta cheese
30 ml orange liqueur
12 gr vanilla extract
100 gr semi-sweet chocolate
50 gr candied citron
140 gr shortening
600 gr powdered sugar
75 ml milk
10 tube
650 gr vanilla frosting in bowl

Instructions

shortening and vanilla thoroughly with electric mixer. Beat in powdered sugar, just until mixed. Beat in as much milk as necessary to make a frosting of spreading consistency. Use immediately to frost top and sides of cake. ----