Squash Corn and Quinoa Chowder

Name: Squash, Corn, and Quinoa Chowder
Ingredients: 4 medium ears sweet corn; 6-inch piece kombu, wiped clean; 6 cups water; 1 tablespoon corn or olive oil; 2 cups finely chopped onion; ¼ teaspoon sea salt; ¼ cup quinoa; 2 cups finely diced butternut squash; 3 tablespoons white miso; ¼ cup finely chopped parsley; Freshly ground black pepper to taste