Spicy Shrimp and Mushroom Casserole

Name: Spicy Shrimp and Mushroom Casserole
Ingredients: 2 tablespoons unsalted butter; 3 cups (about 8 ounces) white button mushrooms, thinly sliced; Salt and freshly ground black pepper; 2 poblano chiles, charred, stemmed, seeded, and cut into 2-inch by 1/4-inch strips; 1 cup fresh, or frozen and thawed, corn kernels; 1 clove garlic, minced; 3/4 cup flour; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 2 tablespoons olive oil; 1 pound large shrimp, deveined, tails intact; 1/4 cup dry white wine; 1/4 cup vegetable stock