Prepare pie crust pastry for a two-crust pie and chill dough. Heat oven to 375 degrees. Spoon 3 T. mincemeat into each tart shell. Place circles over filling. Seal edges and flute.
Pierce tops several times with fork.
Bake at 375 degrees for about 20 minutes or until crusts are golden. Cool on wire rack. Reheat before serving. Sprinkle lightly with powdered sugar before serving.