Pulse flour and salt in a food processor until combined.
Add butter, and process until mixture resembles a coarse meal, about 10 seconds.
With machine running, add ice water in a slow, steady stream until the mixture just begins to hold together.
Shape dough into 2 disks. Wrap each in plastic, and refrigerate for at least 1 hour or up to 3 days
Preheat oven to 325' F
Roll dough to a thickness of 1/8" or 1/4 "
Cut a circle with a cookie cutter or inverted cup of an appropriate size for your tart pan
Cut stars or another small shape for the top of your tart
Pre-bake your tarts and decorative tops at 325' for 7 minutes.
Take tarts out of the oven and increase the temperature to 350'
Fill your tarts with mincemeat so that the tart is just about full.
Top with pre-baked decoration
Bake at 350' F for another 15 minutes.