Here's what you need:
2 21 oz cans peach pie filling
1 box vanilla cake mix
8 oz unsalted butter cut into small chunks
Optional: 1/3 cup walnuts
Optional: vanilla ice cream
Put peach pie filling in slow cooker.
Then top with cake mix, butter, and walnuts. Cook on high for 2-2.5 hours or until the cake part reaches desired consistency.
Serve and top with ice cream.