Coat the inside of your slow cooker with butter.
Add your berries of choice, peaches, and sugar. Combine.
In a food processor, add your oats, pecans, brown sugar, flour, cinnamon, and salt.
Pulse until combined.
Add butter and again pulse until combined.
Add oat mixture on top of the berries and peaches in the slow cooker.
Cover and cook on low for 3.5 to 4 hours.
Serve as breakfast or dessert! Enjoy!