This hearty and comforting Slow Cooker Cowboy Potato Casserole is a crowd-pleaser that’s perfect for busy days. Packed with ground beef, potatoes, and a creamy mushroom sauce, it’s a one-pot wonder that’s almost a meal on its own. Serve it with crusty bread, fluffy biscuits, or a fresh green salad for a complete dinner. Plus, it’s easy to customize with your favorite veggies or proteins!