Corn and Chipotle Ravioli Lasagna

Name: Corn and Chipotle Ravioli Lasagna
Ingredients: 3 tablespoons butter; 1/2 cup thinly sliced onions; 2 cups fresh corn kernels (from about 2 ears) or frozen corn, thawed; 1 teaspoon chopped fresh thyme; 3 cloves garlic, minced; About 1 tablespoon chopped canned chipotle chiles in adobo, plus 1 tablespoon adobo sauce; 1 large zucchini, thinly sliced into rounds; 2 tablespoons all-purpose flour; 1 1/2 cups heavy whipping cream; Salt and freshly ground black pepper; One 22-ounce package frozen cheese ravioli, thawed; 2 cups shredded Oaxaca cheese or mozzarella