Gradually add ice water, tossing with a fork until dough forms a ball. Directions. Mince pies should be always baked with two crusts. Mincemeat has been around for 600 years. 4. In a large bowl, mix flour and salt; cut in shortening until crumbly. For Thanksgiving and Christmas pies, puff paste is often used for rims and upper crusts. Old-fashioned mincemeat recipes: Mince pie meat. That’s festive prep made easy. Fill each base with a teaspoon mincemeat and top with one of the smaller rounds or stars. If you’re feeling adventurous and want to try out his now very famous James Martin’s mince pies then you can find the recipe online and you can freeze them in time for Christmas. Brush the tops of the mince pies with the beaten egg.