In a medium bowl, beat the butter, 1/2 cup cheese and 1/4 cup basil with a hand mixer until combined. Set aside.
Brush the corn with the olive oil to coat.
Place the corn on the grill and cook for 2-3 minutes or until the kernels begin to caramelize. Turn the corn and continue to cook until all sides are a bit charred.
Transfer the corn to a platter and brush with the basil butter to coat.
Sprinkle the corn with the remaining cheese and basil.
Serve immediately.
Notes
Basil Parmesan Butter can be made up to 24 hours in advance and stored in the refrigerator in an airtight container. Bring to room temperature before using.