1. Line a baking sheet with parchment paper and fit a pastry bag with a 1/2-inch star tip; set aside. Combine Evaporated Milk, butter, shortening, 1 tablespoon granulated sugar and the salt in a medium saucepan and bring to a boil. Stir in the flour with a wooden spoon, and then reduce the heat to low and stir vigorously until the mixture forms a ball about 1 minute.