While the grill is preheating, add the soy sauce, rice vinegar, garlic, brown sugar, miso and cayenne and whisk until the mixture is fully combined.
Place corn on the grill and grill for about 4 minutes, turning often.
Brush the sauce onto the grilled corn and continue to grill for 2-3 minutes, until the corn is tender and cooked through.
Remove the corn from the grill and baste with sauce.
Notes
Add Cheese: Cotija cheese on finished corn with fresh herbs is wonderful.
Short cut tip: Get cleaned corn on the cob from the grocery store.
Variation tip: Remove kernels from the corn and make a side dish by adding additional vegetables.
Corn Tip: It is done when you press a kernel and it shoots out it's sweet liquid. Do not overcook the corn or it will become mushy.
Best corn: To tell if corn is fresh, look at the silk on the ends. If it still sticky and brown in color it is fresh, avoid if they are dry. Also, look for green supple leaves.