1Preheat oven to 350^.
Dump peaches with syrup into the bottom of a 9x13-inch baking pan.
Scatter raspberries on top of peaches.
2Sprinkle the dry cake mix over the raspberries and peaches.
Drizzle the melted butter over the cake mix , and spread around a little.
Sprinkle the cinnamon evenly over the top.
Bake in preheated oven about 35-40 minutes. test with toothpick near center of cake.
Cool on wire rack. Cut piece of cake and flip fruit side up onto plate. Serve with whipped cream or ice cream or Fluff.
2 to 2 1/2 cups of the 3-2-1 cake mix can be sprinkled over fruit instead of the box of cake mix. Use it dry then drizzle on the butter the same.
Make sure you mix up the 3-2-1 cake mix before you measure it out.(do not user the water)