Halibut With Corn Pops And Basil Broth

Name: Halibut With Corn Pops And Basil Broth
Ingredients: 6 tablespoons unsalted butter, softened; 2 1/2 tablespoons Corn Pops cereal, finely chopped; 2 1/2 tablespoons fine dry bread crumbs; Scant 1/2 teaspoon mild curry powder; 1/4 teaspoon salt; Pinch of cayenne pepper; 2 1/2 cups whole milk; 1 bay leaf; 1 star anise pod; 2 ears of corn, husked; 1/3 cup crème fraîche or sour cream; 1 tablespoon grapeseed oil; Four 6-ounce skinless halibut fillets; Kosher salt and freshly ground pepper; 1/4 cup coarsely chopped basil, plus sprigs for garnish