Unexpected Things To Cook in a Waffle Iron Hash Browns - Grate potatoes (or use frozen Hash Browns) place in waffle iron and cook for 20 minutes. Cinnamon Rolls - Heat up your waffle maker and grease it with a bit of non-stick spray. Cook for 3 minutes, remove and then repeat. Chocolate Waffles - Pour your favorite brownie mix into the Waffle Iron and cook for 3 to 5 minutes. Warm your tortilla's in the waffle iron. Cut bacon strips in half and let cook for 3 to 4 minutes or until done.