An apparatus for popping corn, cooking candy, and mixing candy and popcorn is disclosed herein. A multi-purpose kettle can include one or more rotatable stir assemblies that can be positioned at the bottom of the kettle to mix the popcorn and/or the popcorn and candy. The kettle can be heated to a first temperature to pop corn kernels and produce popcorn, and heated to a second temperature to cook the candy. In some embodiments, the kettle can be positioned at an angle to mix the popcorn and the candy.