Hot Toddy Cheesecake

Name: Hot Toddy Cheesecake
Ingredients: 250 g ginger nut biscuits; 2 tbsp. caster sugar; 50 g butter, melted; 300 mL double cream; 500 g cream cheese; 80 g sour cream; 120 g icing sugar; 1 tbsp. vanilla extract; 200 mL whisky; 2 tbsp. honey; zest of 1 orange; 1/2 tsp. ground cinnamon; 1/2 tsp. ground ginger; 1 1/2 tsp. caster sugar; orange peel; rosemary sprigs