Kingston Meat Patties

Name: Kingston Meat Patties
Ingredients: 2¼ cups all-purpose flour; 1 teaspoon curry powder, preferably Jamaican; ½ teaspoon salt; 1/8 teaspoon cayenne pepper; ¾ cup vegetable shortening, chilled; 1/3 cup ice water; 2 tablespoons unsalted butter; 1 pound ground beef round; 1 medium onion, chopped; ½ fresh hot chile pepper, preferably Scotch bonnet, seeded and minced; 1 garlic clove, minced; 1 tablespoon all-purpose flour; 2 teaspoons curry powder, preferably Jamaican; ½ teaspoon dried thyme; ¼ teaspoon ground allspice; 2 tablespoons tomato paste; 2 tablespoons water; 1 large egg, well beaten