Grilled Street Corn

• 4 sweet corn cobs, shucked, cut in half
• ½ cup [115 g] unsalted butter, at room temperature

Heat the grill to 350°F to 375°F [175°C to 190°C]. Tear off eight sheets of foil large enough to wrap around a half cob. Lay a cob on each piece of foil in an assembly line. Spread 1 Tbsp of butter on each cob, sprinkle 1 tsp of Tajín seasoning over each, squeeze the lime evenly over t