Chilled Corn Chowder

Name: Chilled Corn Chowder
Ingredients: 8 ears corn (shucked and kernels removed, cobs saved); Extra-virgin olive oil; 3 large shallots (sliced); 3 medium garlic cloves (minced); 1 ounce dried porcini mushrooms; 1 jalapeno pepper (roasted (optional)); Kosher salt and freshly cracked pepper; 3 cups assorted mushrooms (I use a mix of royal trum-pets, cremini, maitake, hen of the woods and shiitake); ⅓ cup popcorn kernels; 1 tablespoon finely chopped fresh rosemary; Garnish: fresh popcorn (fresh lime juice, truffle oil)