Pre-heat oven 400 degreesIn a small bowl add the 1 cup of granulated sugar and cinnamon and mix together.Open cinnamon rolls and place rolls on cutting board. Put the icing aside for now.Cut the cinnamon rolls into quarters and put them into the sugar mixture and coat each peace very well.Add the brown sugar and vanilla to the melted butter and give it a good mix. Spay the Bundt pan with non-stick cooking spay and begin the layering.Layer the coated cinnamon rolls at bottom of Bundt pan and pour a little of the brown sugar mix on top. Repeat a second layer with cinnamon rolls and brown sugar mixture. Bake for 13 to 15 minutes. Let cool for 5 minutes before removing from Bundt pan. Drizzle the icing over the money bready and enjoy. Store in an airtight container