1. Whirlpool WMH53521HZ
CR’s take: A top performer from Whirlpool, the WMH53521HZ earns an Excellent rating in our heating evenness test, meaning a dish of cold mashed potatoes has few or no cold spots after microwaving. It has a cooking sensor that helps estimate how much time and power you’ll need for each dish, and it fits a 9x15-inch dish, so you can cook a casserole. This microwave is very easy to use, and our testers say it has no discernible flaws. Whirlpool OTRs earn predicted reliability ratings of Very Good in our member surveys and Good owner satisfaction scores.