The fastest way to cook corn on the cob is to microwave (in husk) it — about 3 min. The slowest is roast at 18–28 min.
How long does the fastest method take for corn on the cob?
Microwave (in husk): 3–4 min per ear at High power. Leave husk on. Silk pulls right off after. Easiest method.
Is there a trade-off between speed and quality for corn on the cob?
Faster methods like microwave (in husk) give quick results, while slower methods like roast (18–28 min) often develop deeper flavor and more tender texture. Choose based on your time and the result you want.