Empanadas without sauce

4 cups flour, all-purpose 1 tablespoon butter 1 cup vegetable shortening * 2 large eggs 1 each egg yolk * 2 teaspoons salt 1 1/2 cups water cold Filling 1[...]

3 cups flour, all-purpose 2 teaspoons salt 6 tablespoons margarine 6 tablespoons vegetable shortening 2 tablespoons water cold 1 each onion chopped 4 cl[...]