1 Preheat oven to 350 degrees. 2 Prepare pie dough according to package directions. 3 Roll out half the dough into a rectangular shape the thickness of a piecrust. 4 Spread half the butter or margarine thinly onto the dough (or dot it on). 5 Mix Sugar and cinnamon in a small bowl. 6 Sprinkle half the mixture over the top of the dough. 7 Place less than half of the cherry-pie filling in a row on the dough, then roll the dough around the cherries. 8 Cut into slices about the width of a cherry. 9 Put slices on a lightly greased or parchment-lined cookie sheet. 10 If a swirl is missing a cherry, add one before baking. 11 You may also wish to spread a little extra sauce from the pie filling on top of the swirls, but you"ll still probably have a little leftover filling. 12 Repeat with the remain