Peach Casserole with Marble Cake Mix

1 pkg. prepared vanilla pudding
#2 1/2 can of drained, sliced peaches (3 1/2 cups or about 27 to 29 ounces)
1 box of marble cake mix

Spread prepared vanilla pudding in an ungreased 9 x 12 pan.
Arrange the drained sliced peaches on top of the pudding.
Pour cake mix batter over peaches. (Unclear if this is dry cake mix like a dump cake or prepared batter.)
Bake at 350° for 50 to 60 minutes.
Serve with whipped cream.

Makes 15 to 18 servings