In a food processor, whirl both vanilla and chocolate classic cookies until they look like fine crumbs. Scrape out into a large bowl. Add flour, sugar, cinnamon, baking powder, baking soda and salt. Whisk together to combine well.
Using a hand mixture, gently beat in sour cream, milk, butter and eggs until smooth.
Sprinkle crushed vanilla cookies in bottom of greased bundt cake pan. Spoon batter evenly on top and using a spatula smooth the top.
Bake in preheated 350 F oven for 50 minutes or until cake tester inserted in centre comes out clean. let cool in pan for about 20 minutes.
Gently run a knife around the edge of the pan and turn cake out onto platter or cooling rack to cool completely.
Vanilla Drizzle Instructions: In a bowl, whisk together icing sugar, water and vanilla until smooth Drizzle over cake before serving.