1 stick butter
1 can peaches in heavy syrup (16 oz.)
1 box Jiffy yellow cake mix (9 oz.)
1/2 tsp. cinnamon (ground)

Preheat oven to 350 degrees; pour peaches with syrup in pyrex pie dish; sprinkle cinnamon on top of peaches; sprinkle all of cake mix evenly over peaches; cut butter in thin squares and layer in rows on top; covering the surface, use all the butter. Place in oven and bake for 1 hour or until top is brown. (Oven temperatures may vary, time can be adjusted from 45 minutes to 1 hour.)