Crust 1.5 cups crushed chocolate biscuit crumbs 1/2 tspn ground cinnamon 1/2 cup melted butter Filling 185 gm dark chocolate 500 gm cream cheese 1/2 cup caster sugar 3 eggs 1 tblsp cocoa 1 tblsp rum or vanilla 1 cup sour cream 1/2 cup cream additional creamMix together crumbs, cinnamon and melted butter. Firmly press into the base of a lightly greased 23 cm. springform pan.
Melt chocolate. Beat cream cheese until smooth, then beat in sugar until the mixture is creamy. Add eggs, one at a time, beating well after each. Stir in the melted chocolate, cocoa, rum and sour cream. Beat the cream until stiff and fold lightly into the chocolate mixture.
Pour into the prepared tin and bake in 150°C oven for approx one hour. Turn off oven and allow cake to remain in the oven for 30 minutes. Open oven door and leave cheesecake until it is cool.
Beat extra cream until stiff, and pipe around outer edge of cake.