* Finely Chop the fruit rinds. Preheat the oven to 325 degrees F. Press the ricotta through a sieve. In a large mixing bowl, beat together the drained cheese, eggs, sugar, and flour. Stir in the liqueur, raisins and fruits. Pour the mixture into the prepared crust and bake for 1 hour. Remove the cake from the oven and cool to room temperature. Chill before serving.