It really can't get much easier than this.
1/2 cup butter, melted
1 cup granulated sugar (or less depending on your taste)
1 cup flour
1 cup milk (may use less, depending on how soft the dough gets)
1 large can of sliced peaches
Mix first 4 ingredients together and put in the bottom of a pan.
Pour the peaches, with juice, on top.
Bake in a 300F oven for 30 minutes or until brown on top.