Step 1

Preheat oven to 375 degrees F.

Step 2

Empty peaches into the bottom of a 9 x 13 inch baking pan.

Step 3

Cover with the dry cake mix and press down firmly.

Step 4

Cut butter into small pieces and place on top of cake mix.

Step 5

Sprinkle top with cinnamon.

Step 6

Bake for 45 minutes.

Step 7

Serve with vanilla ice cream, if desired.