Roasted Vegetable Quesadilla

Name: Roasted Vegetable Quesadilla
Ingredients: 1 cup sour cream; 1 tablespoon fresh chopped cilantro; 1 lime, zested and juice; 1 1/4 sticks (10 tablespoons) salted butter; 1 large onion, sliced thin; Kosher salt and freshly ground black pepper; 1 Anaheim pepper, sliced thin; 1 red bell pepper, cut into thin strips; 1 yellow bell pepper, cut into thin strips; 1 poblano pepper, cut into thin strips; 1 small zucchini, cut into bite-size half-moons; 3 tablespoons olive oil; Four 10-inch spinach tortillas; 4 cups shredded Monterey Jack cheese; 1/2 cup frozen roasted corn, thawed; 1 cup pico de gallo, store bought; 1 cup salsa