Slow-Cooker Garlic Mashed Potatoes

This simple slow-cooker mashed potatoes recipe skips tedious peeling and boiling and helps save precious stovetop space by letting the slow cooker do the work. It's a great timesaving set-it-and-forget-it side dish recipe to round out any hearty meal. Buttermilk makes the mashed potatoes creamy while garlic and shallots add flavor.