Modify recipe: 9X13 cake pan, 2 303 cans peach pie filling, 1 stick butter, 1 box yellow cake mix, ground cinnamon. Pour both cans pie mix into pan; pour entire box cake mix over pie mix, spread cake mix evenly over pie filling; melt butter and drizzle it over cake mix covering the entire top of cake mix; punch a few holes through the entire depth of the cake. Bake in preheated 350F deg oven for about 50 minutes. Serve warm.