By now we all know our slow cookers can create soups, roasts, and even side dishes. Slow-cooking saves you time and diminishes anxiety, especially when you have a million other things going on, and from cake to brownies, your slow cooker can do it all. See the deliciously decadent proof in these recipes. This cake might only take 15 minutes to put together, but after you taste the molten center, you'll be talking about it all night.