This Slow Cooker Cheesy Taco Potato Casserole is a hearty, flavorful dish perfect for an easy weeknight meal. Ground beef is seasoned with taco spices, mixed with creamy sour cream and spicy Rotel tomatoes, then layered with thinly sliced russet potatoes and plenty of cheddar cheese. Slow cooked to perfection, this comforting casserole delivers a delicious fusion of cheesy and taco flavors with tender potatoes in every bite.