3 tbsp. mayonnaise
2 tsp. fresh lime juice
2 tbsp. finely grated cotija or Parmesan cheese
1/2 tsp. chili powder
1/4 tsp. each ground red pepper, ground cumin
1/8 tsp. salt
4 ears shucked corn
Prepare grill. Combine mayonnaise and juice in a small bowl. Combine cheese and next 4 ingredients (through salt) in another small bowl. Place corn on a grill rack coated with cooking spray. Grill corn 12 minutes or until tender, turning frequently. Remove corn from grill; brush with mayonnaise mixture, and sprinkle with cheese mixture. Serve.