Beef and Pork Empanadas

Name: Beef and Pork Empanadas
Ingredients: 1 tablespoon olive oil; 2 tablespoons butter; 1 stalk of celery finely chopped; 1/2 large sweet onion finely chopped; 1 pound ground beef; 1 pound ground breakfast sausage hot recommended; 1 teaspoon salt; 1/2 teaspoon ground black pepper; 1/2 teaspoon cayenne pepper; 1/2 teaspoon red pepper flakes; 3 to 4 drops Tabasco sauce; For the pastry:; 3 cups all-purpose flour bleached recommended; 3/4 cup chilled vegetable shortening; 1 cup ice cold water