Preheat the oven to 350.
Add cinnamon roll dough to a lightly greased 9x13 baking dish. Break the dough apart and spread it around the dish.
Pour eggnog evenly over the top of the dough.
Place pan in oven and bake for 30-35 minutes - until cinnamon roll dough is cooked through.
Remove from oven and drizzle cinnamon roll icing (from the cans you used) over the top.
Serve and enjoy!