Shuck the corn on the cob, removing all silks; trim any protruding stem ends.
Bring 4 quarts water to a rolling boil in a large pot over high heat.
Add the ears, cover, and return to a boil; uncover and cook 3–5 minutes until kernels are bright and crisp-tender when pierced with the tip of a knife.
Use tongs to lift out and drain well; let excess moisture steam off for 30–60 seconds.
Serve hot with unsalted butter, kosher salt, and black pepper to taste.