Jamaican Beef Patties

Name: Jamaican Beef Patties
Ingredients: For the Pastry Dough:; 4 cups all-purpose flour; 1 teaspoon ground turmeric, or curry powder; 1 teaspoon salt; 250 grams vegetable shortening, cold; 1 cup water, ice-cold; plus more if needed; For the Filling:; 1/2 teaspoon black pepper; 1 teaspoon ground allspice; 2 pounds ground beef; 2 tablespoons vegetable oil; 1 cup diced onions; Optional: minced hot pepper, to taste; 2 teaspoons garlic, minced; 1 tablespoon fresh thyme, minced; Salt, to taste; 2 tablespoons ketchup; 2 cups water; 1/2 cup green onions, finely sliced; white and green parts; For Assembling:; Flour, for dusting the work surface; 1/4 cup water, plus 1 tablespoon water; 1 large egg