Pocket Pies - Alton Brown

Ingredients

• 2 cups (4 whole) mangoes, peeled and diced
• 1/2 cup brown sugar
• 1/2 cup apple cider vinegar
• 2 teaspoons curry powder
• 1/4 cup freshly squeezed lime juice
• 2 1/2 cups granulated sugar
• 1/4 cup plus 1 tablespoon cocoa powder
• Pinch kosher salt
• 20 tablespoons (2 1/2 sticks) unsalted butter, at room temperature
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 3/4 teaspoon kosher salt
• 6 tablespoons shortening
• 3/4 cup milk
• 1 large egg, beaten with 1 teaspoon water
• Vegetable oil, canola oil, or unsalted butter, for frying