Collard Green Stuffed Shells

Name: Collard Green Stuffed Shells
Ingredients: Nonstick cooking spray, for the baking dish; One 12-ounce package jumbo pasta shells; 1/2 teaspoon kosher salt, plus more for the pasta water; 2 tablespoons unsalted butter; 2 tablespoons all-purpose flour; 2 3/4 cups heavy cream; 1/2 teaspoon freshly ground black pepper; 1/4 teaspoon garlic powder; 4 cups shredded collards, blanched and squeezed dry; 1 pound ground chuck (80/20); One 8-ounce package ground country sausage; 2 teaspoons Miss Brown’s House Seasoning, recipe follows; 2 cloves garlic, minced; 1 Vidalia onion, finely diced; 2 cups shredded Asiago cheese; 1/2 cup dry white wine; One 28-ounce can crushed tomatoes; 1/2 cup chicken broth; 1/2 teaspoon kosher salt; Pinch granulated sugar; 1 tablespoon garlic powder; 1 tablespoon onion powder; 1 tablespoon sweet paprika; 1 tablespoon kosher salt; 1 tablespoon freshly ground black pepper