Preheat oven to 350*. Grease a Bundt pan. Quarter all biscuits. Mix the granulated sugar and cinnamon in a bag. Shake biscuit quarters a few in the bag at a time and layer in pan. Mix butter and brown sugar in small pan and bring to a boil. Pour over the biscuits. Bake at 350* for 30-40 minutes. Turn out onto serving plate. Let cool then glaze.
Mix powdered sugar with melted butter and vanilla and a few teaspoons milk to make a glaze consistency.