Homemade ice cream may conjure memories of big messes and sore arms, with icy mouthfuls being your only reward. But a great ice cream maker can change that.We’ve tested 24 ice cream makers over the years, and our favorite is the Cuisinart ICE-21. With a bit of prep and practice, this machine is easy to use and to clean. And it churns out creamy, rich ice cream — no elbow grease required.