Apple Spice Slow Cooker Cake

This is a recipe I found online.  I want to try cutting it in half, and bring it with us to Fran and Henry's one night this week.  We are going to watch some old Carol Burnett DVD shows with them.

1 box Spice Cake Mix
2 - 20 ounce cans Apple Pie Filling
8 ounces butter

Put pie filling into slow cooker and top with spice cake mix and butter.  Cook on high 2 to 2 1/2 hours.  Serve with vanilla ice cream.

In this photo the recipe was made using 1 can of peach pie filling and one pint jar of home canned peaches. R were