How to Bake Cinnamon Rolls Find Rhodes Cinnamon Rolls in the freezer section of your grocery store. Spray pan with nonstick spray. Put the frozen rolls in your pan and cover with plastic wrap. Keep in the fridge overnight and check on them in the morning. If needed, let sit at room temperature until double in size. The actual time depends on the temperature of your kitchen. Carefully remove plastic wrap. When rolls have risen fully, preheat the oven to 350˚F. Bake 15–20 minutes, until light brown. Knead the frosting packets before cutting the "nozzle", and drizzle the icing while they are still warm.