To make Chipotle Mayonnaise: Purée chipotle chiles in adobo. Mix mayonnaise, soy sauce and 1/4 cup chipotle puree. (Yield: about 4 cups.)
To make Smoked Corn Relish: Dry-roast 10 corn kernels in a single layer in a very hot skillet until corn begins to blacken. Mix in bell peppers, green onions, cilantro, soy sauce, jalapeño chiles and cumin; seaason with salt and pepper. (Makes about 4 cups.)
Top grilled burger with Jack cheese, sandwich in bun with Chipotle Mayonnaise, Smoked Corn Relish, cilantro sprigs, lettuce and tomato slices.