STEP 1 Base: Grease a 20 cm springform tin. STEP 2 Crush biscuits in food processor and add mixed spice and butter. STEP 3 Line base of tin with foil and brush sides with oil. Press crumbs over base and sides of tin. STEP 4 Place in fridge for 20 minutes. STEP 5 Filling: Preheat oven to 180C. STEP 6 Beat cream cheese until smooth. Add sugar, vanilla and lemon juice. Beat until smooth. STEP 7 Add eggs, 1 at a time, beating well after each addition. STEP 8 Pour mix