Natchitoches Meat Pies

Meat Pie Filling: 1 teaspoon vegetable oil 1 pound ground beef 8 ounces ground pork 1 medium yellow onion, chopped 2 green onions, chopped 1/2 medium bell pepper, chopped 2 ribs celery, chopped 1 1/2 teaspoons salt 1/2 teaspoon freshly ground black pepper 1/4 teaspoon cayenne pepper 2 tablespoons chopped garlic (4 to 6 cloves) 1 tablespoon all-purpose flour 1 …