Recipes: Spicy grilled corn salad

Preparation:    Preparation time: 10 mins  Cooking time: 20 mins Serving: 8 Ingredients: 8large ears fresh yellow corn, husks removed 3tablespoons mayonnaise 1 1/2teaspoons kosher salt, divided 1/2teaspoon black pepper, divided 1medium-size red onion, cut into 1/2-in.-thick slices 3large jalapeño chilies, halved lengthwise and seeds removed 2tablespoons olive oil 1/2cup loosely packed cilantro leaves...