1 large can peaches, undrained
1 tsp cinnamon (optional)
1 (8 oz) can Pillsbury crescent rolls
3/4 cup sugar
3/4 stick butter

In 9x13 baking dish, melt butter. Add sugar & cinnamon & mix. Add liquid from peaches & mix well. Stir in the peaches.
Roll out the crescent rolls to fit the dish & place it on the top of the mixture. Bake at 325 for 25-30 minutes. (Great with vanilla ice cream.)