Lightly flour your clean countertop. Unroll 1 pie crust and using a rolling pin, roll out slightly and seal any cracks. Then, using a 3- 1/2 inch heart shaped cookie cutter, cut out as many hearts as you can. Re-flour your counter top if necessary. Gather the scraps of dough into a ball, then, roll out the dough to the same thickness as previous and cut more hearts. My dough yielded 16 hearts, this will vary based on what size cutter you use. Its ideal to get an even number because each tart takes two hearts.