6 tablespoons crema mexicana,* créme fraîche,* or sour cream
1 tablespoon fresh lime juice
1/4 teaspoon chipotle chile powder or ancho chile powder**
1/4 teaspoon coarse kosher salt
8 ears of corn with husks
2 limes, halved or quartered
1/4 cup chopped fresh cilantro
*crema mexicana (Mexican créme fraîche) is available at some supermarkets and in the refrigerated section of Latin markets. Créme fraîche is sold at some supermarkets and at specialty foods stores.
**chipotle and ancho chile powders are available in the spice section of many supermarkets and from adrianascaravan.com.