2 (16 0z) cans sliced peaches - best if in natural juice or lite syrup, partially drain liquid 1 (18.25 oz) box yellow cake mix 1/2 cup butter, sliced 1/2 tsp. cinnamon, or to taste 1/2 cup brown sugar
Preheat oven 375 degrees. In 9x13 dish: pour partially drained peaches into bottom. Pour dry cake mix on top and press down firmly. Sprinkle cinnamon and brown sugar over cake mix. Completely cover top with butter slices (use more or less if necessary). Sprinkle top with additional cinnamon if desired.