Wondering how to make apple cobbler? Fall in love with apple cobbler all over again with this easy slow cooker recipe. Load apple slices into the cooker to soak up cinnamon and brown sugar, creating a warm, tender filling. Top with baking mix, oats, sugar, cinnamon, and butter to create an irresistible cobbler topping. This spotlight on peak-of-season fruit is (dare we say) as good, if not better than its oven-baked cousin.