Spicy Catfish with Vegetables and Basil Cream

Name: Spicy Catfish with Vegetables and Basil Cream
Ingredients: 1 (16 ounce) package frozen whole kernel corn, thawed; 1 medium onion, chopped; 1 medium size green bell pepper, chopped; 1 medium size red bell pepper, chopped; 1 tablespoon Creole seasoning; 1 tablespoon vegetable oil; 1/2 cup all purpose flour; 1/2 cup whipping cream; 1/3 cup buttermilk; 1/4 cup yellow cornmeal; 2 tablespoons chopped fresh basil; 3 tablespoons butter, divided; 3/4 teaspoon salt; 4 (6 to 8 ounce) catfish fillets