Generally high is too high for most foods, where it overcooks the outsides. Regulating the power setting and time is like using the settings on a stove and taking stuff off when done.
Melting cheese, heating mashed potatoes, and a ton of other things are just better with some tweaks to the time and power. Hitting the +30 seconds is like putting the stove on high and cooking in 30 second increments.
Generally high is too high for most foods, where it overcooks the outsides. Regulating the power setting and time is like using the settings on a stove and taking stuff off when done.
Melting cheese, heating mashed potatoes, and a ton of other things are just better with some tweaks to the time and power. Hitting the +30 seconds is like putting the stove on high and cooking in 30 second increments.